Calculating rates

Last updated: 22 Nov 2008

The rate is the speed with which something occurs. We can calculate the rate by dividing the amount by the time taken so

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You should be able to see that this the same as saying

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A machine produces 200 widgets in 10 seconds. What is the rate that it produces widgets at?

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A 30,000 gallon swimming pool is filled up at a rate of 600 gallons per hour. How long does it take to fill?

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