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use the rule: is / of = percent / 100

reword the question in your head What is 16 percent of 90?

(percent = 16) (of = 90) is is the unknown pick a variable -- x

x / 90 = 16 / 100 now solve for x

x = 14.4

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Q: How do you set up a proportion to find 16 percent of 90?
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