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Solve Work-Rate Problem

by Alan
(United Kingdom)











































Solve Work-Rate Problem

Ravi completed six hundred and twenty math problems in twenty minutes.

How many problems can he do in just one minute?

Hint: A Work-Rate is a ratio

Comments for Solve Work-Rate Problem

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Dec 24, 2013
Rates and Ratios
by: Staff


Answer


Part I


Ratio = (number of problems completed) / (time Ravi took to complete those problems)



Ratio = (620 problems) / (20 minutes)


Ratio = 31 problems per minute (31 problems completed in 1 min)



Work Rate is a Ratio





Ratio calculation:  problems per minute




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Dec 24, 2013
Rates and Ratios
by: Staff


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Part II



Ratio calculation:  final answer







Thanks for writing.

Staff
www.solving-math-problems.com



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