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# A grocer purchased a quantity of bananas at 3 pounds for

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Manager
Joined: 05 Sep 2007
Posts: 144
Location: New York
A grocer purchased a quantity of bananas at 3 pounds for  [#permalink]

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20 Mar 2008, 09:23
00:00

Difficulty:

(N/A)

Question Stats:

40% (00:00) correct 60% (01:02) wrong based on 10 sessions

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A grocer purchased a quantity of bananas at 3 pounds for \$0.50 and sold the entire quantity at 4 pounds for \$1.00. How many pounds did the grocer purchase if the profit from selling the bananas was \$10.00?
(A) 40
(B) 60
(C) 90
(D) 120
(E) 240

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SVP
Joined: 29 Aug 2007
Posts: 2349

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20 Mar 2008, 09:31
2
el1981 wrote:
A grocer purchased a quantity of bananas at 3 pounds for \$0.50 and sold the entire quantity at 4 pounds for \$1.00. How many pounds did the grocer purchase if the profit from selling the bananas was \$10.00?
(A) 40
(B) 60
(C) 90
(D) 120
(E) 240

costs/lb = 0.5/3
sp/lb = 1/4 = 0.25
so profit/lb = 0.25 - 0.5/3 = 0.25/3

so total profit = \$10
no of lb = \$10/(0.25/3) = 120lb.
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Senior Manager
Joined: 15 Aug 2007
Posts: 251
Schools: Chicago Booth

### Show Tags

20 Mar 2008, 16:08
D-120

Bought 12lbs for \$2 (multiplying on both sides)
Sold 12lbs for \$3

So \$1 profit for 12lbs

\$10 profit for 120lbs
Intern
Joined: 28 Jun 2011
Posts: 6

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08 Aug 2011, 17:25
3 pounds cost: .50
Each pound cost: ~.17

SP of 4 pounds: \$1.00
SP of one pound: .25

Profit per pound: .08

SP-CP=Profit

.25x-.17x=\$10.00

=>.08x=10
=>x=125

closet to 125 is 120.

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This discussion does not meet community quality standards. It has been retired.

If you would like to discuss this question please re-post it in the respective forum. Thank you!

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Non-Human User
Joined: 09 Sep 2013
Posts: 9835
Re: A grocer purchased a quantity of bananas at 3 pounds for  [#permalink]

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22 Jan 2019, 12:20
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Re: A grocer purchased a quantity of bananas at 3 pounds for   [#permalink] 22 Jan 2019, 12:20
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