The students in two classes of "Underachiever" high school took a test. x, a, and c are, respectively, the standard...

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by AAPL » Thu Jul 30, 2020 3:10 am

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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

OA E

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Source: Beat The GMAT — Data Sufficiency | Thu Jul 30, 2020 3:10 am

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