Find the rate when:

someone completed 10 homework questions

in 9 minutes

A person completed 10 homework questions  in 9 minutes.

=> In 1 minute, that person could handle the number of homework questions:

N = 10/9 = ~1.1 homework question.

=> Rate = ~1.1 (hw/min)

Hope this helps!

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in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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