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Asked by Anonymous

After working 4 hours frank made 21 machine parts. it's the same rate how many parts can he make in 7 hours
13 years ago

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Answered by PsyDAG
21/4 = x/7

Solve for x.
13 years ago
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After working 4 hours frank made 21 machine parts. it's the same rate how many parts can he make in 7 hours

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