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While a family was away on vacation, they paid a neighborhood boy $11

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Bunuel
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While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   23 Jun 2018, 00:21
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95% (00:46) correct 5% (00:36) wrong based on 2315 sessions
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While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?

A. $45
B. $54
C. $71
D. $95
E. $117

(PS05001)
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E
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   23 Jun 2018, 00:36
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Bunuel wrote:
While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?


A. $45

B. $54

C. $71

D. $95

E. $117



NEW question from GMAT® Official Guide 2019


(PS05001)



Let's work on each week..
To mow the lawn - 11$
To feed dog - 4$ per day so 4*7$=28$
Total for one week =11+28=39$

So for 3 weeks 39*3=117

E
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   23 Jun 2018, 01:18
I believe the moment you start calculating the exact figure boy would receive, you fall for a trap and lose some time. Instead, for questions like this, I'd suggest eliminate all options which don't fit the criterion.

Since the boy is entitled to $84 ($4*3*7), just for feeding and walking the dog, go ahead and mark the option greater than $100, which is only one choice. That being said, this method should be used with caution.
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   23 Jun 2018, 03:48
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Bunuel wrote:
While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?


A. $45

B. $54

C. $71

D. $95

E. $117



NEW question from GMAT® Official Guide 2019


(PS05001)




Note:

1. Family paid $11 per week to mow their lawn.
2. Family paid $4 per day to feed their cows.

Requirement:
To find out the total cost of the family during 3 weeks trips .

Calculation:

3*11 = 33
21*4 = 84

(33+84) = $117

Thus the best option is E.
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BrentGMATPrepNow
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   23 Jun 2018, 06:04
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Bunuel wrote:
While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?


A. $45

B. $54

C. $71

D. $95

E. $117



..... paid a neighborhood boy $11 per week to mow their lawn...
So, in 3 weeks, the amount the family paid for lawn-moving = (3 weeks)($11/week) = $33

...the family paid $4 per DAY to feed and walk their dog...
3 weeks = 21 DAYS
So, the amount the family paid for dog care = (21 days)($4/day) = $84

TOTAL amount paid = $33 + $84 = $117

Answer: E

Cheers,
Brent
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   27 Jun 2018, 18:08
Expert Reply
Bunuel wrote:
While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?


A. $45

B. $54

C. $71

D. $95

E. $117



The family paid:

11 x 3 + 4 x 21 = 33 + 84 = 117 dollars.

Answer: E
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   14 Nov 2018, 12:24
Just a question for experienced folks on here. Do such easy questions even appear on the gmat? This seems like a 300 level at best.

Thanks.
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   15 Jul 2019, 00:11
11*3 =33
21*4=84
So total =117
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   18 Jul 2019, 04:08
11 per week

then for three weeks - 11*3 = 33
$ per day for feeding dog
total number of days - 21 * 4
84

84 + 33 117
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   23 Nov 2020, 05:50
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   23 Nov 2020, 07:14
Bunuel wrote:
While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?


A. $45

B. $54

C. $71

D. $95

E. $117



NEW question from GMAT® Official Guide 2019


(PS05001)

\(11*3 + 4*21 = 33 + 84 => 117\)Answer is (E)
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   24 Apr 2021, 10:24
Expert Reply
Bunuel wrote:
While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?


A. $45

B. $54

C. $71

D. $95

E. $117



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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   26 Jan 2024, 03:56
= 11*3 + 21*4
= Last digit need to be 7
Only E fits the answer
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink] New post   26 Jan 2024, 08:34
Bunuel wrote:
While a family was away on vacation, they paid a neighborhood boy $11 per week to mow their lawn and $4 per day to feed and walk their dog. If the family was away for exactly 3 weeks, how much did they pay the boy for his services?


A. $45

B. $54

C. $71

D. $95

E. $117



NEW question from GMAT® Official Guide 2019


(PS05001)

\(11*3 + 4*7*3 = 33 + 84 = 117\), Answer will be (E)
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Re: While a family was away on vacation, they paid a neighborhood boy $11 [#permalink]
26 Jan 2024, 08:34
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