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# Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a

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Math Expert
Joined: 02 Sep 2009
Posts: 59728
Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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26 Apr 2019, 02:34
00:00

Difficulty:

5% (low)

Question Stats:

85% (01:37) correct 15% (01:39) wrong based on 400 sessions

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Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t apples to Sylvia. If he kept the remaining apples, how many apples did he keep? (t and y are positive integers.)

(1) y ≥ 15 and t = 2
(2) y = 17

DS86502.01
OG2020 NEW QUESTION

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Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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26 Apr 2019, 04:36
1
From S1:

y ≥ 15 and t = 2.
If y = 15, then remaining is 76-60-6 = 10
If y = 16, then remaining is 76-64-6 = 6
Insufficient.

From S2:

y = 17, then remaining is 76-68 = 8-3t.
If t = 1, remaining is 5
If t = 2, remaining is 2
Insufficient.

Combining both:

y = 17 and t = 2
remaining is 76-68-6 = 2
Sufficient.

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Posts: 8325
Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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26 Apr 2019, 04:46
Bunuel wrote:
Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t apples to Sylvia. If he kept the remaining apples, how many apples did he keep? (t and y are positive integers.)

(1) y ≥ 15 and t = 2
(2) y = 17

DS86502.01
OG2020 NEW QUESTION

Remaining apples = 76-4y-3t
So, we require to know the value of y and t

1.$$y ≥ 15$$ and t = 2
Substituting t=2 in 76-4y-3t, we get 76-4y-3*2=76-4y-6=70-4y.
Now, 70-4y ≥0.....70 ≥4y.....17.5 ≥y
Thus y can be 15, 16 and 17, and accordingly remaining will be 70-4*15=10 or 70-4*16=6 or 70-4*17=2
Insuff

2. y = 17
so Remaining apples = 76-4y-3t=76-4*17-3t=76-68-3t=8-3t
Now, 8-3t ≥0.....8 ≥3t.....2.66 ≥t
Thus t can be 1 and 2, and accordingly remaining will be 8-3*1=5 or 8-3*2=2
Insuff

Combined..
I gives 2, 6 or 10, while II gives 2 and 5..
Only 2 is common and the answer

C
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Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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27 Apr 2019, 07:12
Brant22 wrote:
Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t apples to Sylvia. If he kept the remaining apples, how many apples did he keep? (t and y are positive integers.)

1.$$y ≥ 15$$ and t = 2
2. y = 17

NEW question from GMAT® Official Guide 2020

DS86502.01
OG2020 NEW QUESTION

from given info y & x are multiple values of 4 &3 respectively
#1
m]y ≥ 15[/m] and t = 2
values of remainder apples can vary
insufficeint
#2
y=17, t not know insufficient
from 1 & 2
y= 17 ; 17 *4 ; 68 so t = 2 ; 74 , remainder 2
IMO C
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Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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06 May 2019, 20:23
Bunuel wrote:
Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t apples to Sylvia. If he kept the remaining apples, how many apples did he keep? (t and y are positive integers.)

(1) y ≥ 15 and t = 2
(2) y = 17

DS86502.01
OG2020 NEW QUESTION

We need to determine the value of 76 - 4y - 3t.

Statement One Alone:

y ≥ 15 and t = 2

We do not have enough information to determine 76 - 4y - 3t.

If y = 15 and t = 2, then we have:

76 - 60 - 6 = 10 apples left for Jack to keep

If y = 16 and t = 2, then we have:

76 - 64 - 6 = 6 apples left for Jack to keep

Statement one alone is not sufficient to answer the question.

Statement Two Alone:

y = 17

Since we know nothing about t, statement two alone is not sufficient to answer the question.

Statements One and Two Together:

Using the statements together we see that y = 17 and t = 2, so we have enough information to answer the question.

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Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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21 May 2019, 15:55
Hi All,

We're told that Jack picked 76 apples - and of these, he sold 4Y apples to Juanita and 3T apples to Sylvia (and T and Y are positive integers.) and kept the remaining apples. We're asked for the number of apples that he kept. To answer this question, we'll need to know the values of T and Y. This question can be solved with Arithmetic and TESTing VALUS.

(1) Y ≥ 15 and T = 2

IF....
Y=15 and T = 2, then Jack sold (4)(15) + (3)(2) = 66 applies, so the answer to the question is 76 - 66 = 10
Y=16 and T = 2, then Jack sold (4)(16) + (3)(2) = 70 applies, so the answer to the question is 76 - 70 = 6
Fact 1 is INSUFFICIENT

(2) Y = 17

Fact 2 clearly tells us nothing about the value of T....
IF....
Y=17 and T = 1, then Jack sold (4)(17) + (3)(1) = 71 applies, so the answer to the question is 76 - 71 = 5
Y=17 and T = 2, then Jack sold (4)(17) + (3)(2) = 74 applies, so the answer to the question is 76 - 74 = 2
Fact 2 is INSUFFICIENT

Combined, we know...
Y ≥ 15 and T = 2
Y = 17

By combining the information in both Facts, we know the exact values of Y and T, so we can answer the question that's asked.
Y=17 and T = 2, so Jack sold (4)(17) + (3)(2) = 74 applies, so the answer to the question is 76 - 74 = 2
Combined, SUFFICIENT

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Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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01 Jun 2019, 09:01
i know this is an easy question but how long should one take to solve this ?
is 2mins a long time to solve such question ?
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Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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01 Jun 2019, 12:14
1
Hi hsn81960,

Many GMATers assume that they should spend 2 minutes per Quant question (since the Quant section gives you 62 minutes for 31 questions). Unfortunately, that is NOT good pacing advice. Certain Quant 'gettable' questions actually require far MORE than 2 minutes to solve - and to maximize your Score on Test Day, you will likely have to become comfortable 'dumping' certain questions ON PURPOSE (so that you don't waste time on them). Your goal when dealing with any Quant question that you think you can correctly answer is to approach the prompt in an 'efficient' fashion. Keep in mind that does NOT mean that you have to "work fast" - it means that you have to work through the steps on your note pad in an organized way and not waste time by 'staring' or trying to do work "in your head."

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Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a  [#permalink]

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01 Oct 2019, 04:43
4y+3t+R=76 question says what is R(remaining) ?
1) y could be several numbers ......clearly not suffice
2) y=17 we do not know "t" ....clearly not suffice
both we can exactly determine. answer is C
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Re: Jack picked 76 apples. Of these, he sold 4y apples to Juanita and 3t a   [#permalink] 01 Oct 2019, 04:43
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