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A grocer purchased a quantity of bananas at 3 pounds for

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

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New post 20 Mar 2008, 09:23
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Difficulty:

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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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Re: PS: Pounds  [#permalink]

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New post 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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Re: PS: Pounds  [#permalink]

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New post 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
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Posts: 6
Re: PS: Pounds  [#permalink]

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New post 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.

answer:D

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Re: A grocer purchased a quantity of bananas at 3 pounds for  [#permalink]

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New post 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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