What was the average production rate of cups of espresso

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Source: Economist GMAT

What was the average production rate of cups of espresso per machine for machines A, B, C, and D last week?

1) Machine A and D produced a total of 503 cups of espresso last week.
2) Machine B and E produced a total of 405 cups of espresso last week.

The OA is E
Source: — Data Sufficiency |

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by Jay@ManhattanReview » Tue Aug 06, 2019 10:50 pm

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A

B

C

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BTGmoderatorLU wrote:Source: Economist GMAT

What was the average production rate of cups of espresso per machine for machines A, B, C, and D last week?

1) Machine A and D produced a total of 503 cups of espresso last week.
2) Machine B and E produced a total of 405 cups of espresso last week.

The OA is E
Even both the statements together are insufficient as we have no information about Machine C.

The correct answer: E

Hope this helps!

-Jay
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