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In a certain store, the profit is 320% of the cost. If the cost increa

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In a certain store, the profit is 320% of the cost. If the cost increa  [#permalink]

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New post 13 Jan 2018, 08:10
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In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

A. 30
B. 70
C. 100
D. 150
E. 250
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Joined: 02 Aug 2009
Posts: 7199
Re: In a certain store, the profit is 320% of the cost. If the cost increa  [#permalink]

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New post 13 Jan 2018, 08:17
wishalsp333 wrote:
In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

A.30
B.70
C.100
D.250
E.150



let CP be 100..
profit = 320 and SP = 100+320=420

If CP increases by 25%, CP becomes = 125
Profit = 420-125 = 295 Nearly 300
Profit as % of Sp = \(\frac{300}{420}*100=\frac{1000}{14}=71%\)
B 70%
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In a certain store, the profit is 320% of the cost. If the cost increa  [#permalink]

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New post 13 Jan 2018, 09:07
wishalsp333 wrote:
In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

A.30
B.70
C.100
D.250
E.150

Cp =100
Profit = 320% of 100 = 320
So
Sp = cp+profit= 420
Now cp = 100 + 25 = 125
Sp = 420
Now profit = 295
So % of selling price is profit =( 295/420)*100
=~ 70...
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In a certain store, the profit is 320% of the cost. If the cost increa &nbs [#permalink] 13 Jan 2018, 09:07
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