4 years ago

David assembles 12 circuit boards in 255 minutes. Amy assembles 9 circuit boards in 170 minutes. Who works at a faster rate?

Mathematics

2 answers:

Artyom0805 [142]4 years ago

4 0

I think Amy works at a faster rate.

Marat540 [252]4 years ago

4 0

It would be Amy, because Amy does about 18.8 boards per min and David does about 18.75 boards per min.

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