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The profits of QRS company rose 10% from March to April, then dropped 20% from Aprol to...

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by AAPL » Mon Apr 27, 2020 5:45 am

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Magoosh

The profits of QRS company rose 10% from March to April, then dropped 20% from April to May, then rose 50% from May to June. What was the percent increase for the whole quarter, from March to June?

A. 15%
B. 32%
C. 40%
D. 62%
E. 80%

OA B
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Re: The profits of QRS company rose 10% from March to April, then dropped 20% from Aprol to...

by Jay@ManhattanReview » Mon Apr 27, 2020 9:49 pm
AAPL wrote: ↑
Mon Apr 27, 2020 5:45 am
 Magoosh

The profits of QRS company rose 10% from March to April, then dropped 20% from April to May, then rose 50% from May to June. What was the percent increase for the whole quarter, from March to June?

A. 15%
B. 32%
C. 40%
D. 62%
E. 80%

OA B
Say, the profit in March was $100.

Thus,

Profit in April = $100 + 10% of 100 = $110;
Profit in May = $110 – 20% of 110 = $88;
Profit in June = $88 + 50% of 88 = $132

Thus, the profit rose by 132 – 100 = 32%

The correct answer: B

Hope this helps!

-Jay
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Re: The profits of QRS company rose 10% from March to April, then dropped 20% from Aprol to...

by Scott@TargetTestPrep » Thu Apr 30, 2020 3:04 am
AAPL wrote: ↑
Mon Apr 27, 2020 5:45 am
 Magoosh

The profits of QRS company rose 10% from March to April, then dropped 20% from April to May, then rose 50% from May to June. What was the percent increase for the whole quarter, from March to June?

A. 15%
B. 32%
C. 40%
D. 62%
E. 80%

OA B
We can let the profit in March be 100. So the profit in April is 100 x 1.1 = 110; the profit in May is 110 x 0.8 = 88; and the profit in June is 88 x 1.5 = 132, which is a 32% increase from 100.

Answer: B

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