Source: GMAT Prep
What was a certain company's revenue last year?
1) Last year gross profit was $4,100.
2) Last year revenue was 50% greater than expenses.
The OA is C
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What was a certain company's revenue last year?
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BTGmoderatorLU
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Jay@ManhattanReview
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Say Revenue = R and Expenses = EBTGmoderatorLU wrote:Source: GMAT Prep
What was a certain company's revenue last year?
1) Last year gross profit was $4,100.
2) Last year revenue was 50% greater than expenses.
The OA is C
Let's take each statement one by one.
1) Last year gross profit was $4,100.
Thus, R - E = 4100. Can't get the unique value of R. Insufficient.
2) Last year revenue was 50% greater than expenses.
=> R = 1.5E. Can't get the unique value of R. Insufficient.
(1) and (2) together
From R - E = 4100 and R = 1.5E, we can get the unique value of R. Sufficient.
No need to calculate the value of R since we have two distinct linear equations involving R.
The correct answer: C
Hope this helps!
-Jay
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