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anonymous

  • 5 years ago

What percent of 40 is 9? Riding bicycles. There are 57 million Americans who ride a bicycle at least occasionally. The following circle graph shows the reasons people ride. In each of Exercises 61−64, determine the number of Americans who ride a bicycle for the given reason.

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  1. anonymous
    • 5 years ago
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    What percent of 40 is 9?\[\frac{x}{100}\times40=9\]\[\frac{40x}{100}=9\]\[40x=100\times9\]\[40x+900\]\[x=\frac{900}{40}\]\[x=22.5\]or 0.225%

  2. anonymous
    • 5 years ago
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    Great answer Nancy! Here is an even easier way to this. Take 9/40, which gives you .225, which is 22.5% This will work for any percentage question.

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