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James completed 4 math problems in 6 minutes. At that rate, how many would he be able to complete in 1 hour?

Respuesta :

40 problems

60÷6 is 10

10×4 is 40
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Answer:

90 problems

Step-by-step explanation:

James solved 4 problems/6 min

That is 1.5 problems/min

Since there is 60 minutes in an hour, you multiply 1.5 by 60 and you get 90 problems in an hour.

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