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Nesterboy [21]
3 years ago
14

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]3 years ago
4 0
I think Amy works at a faster rate.
Marat540 [252]3 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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