Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Calculating Percents - Problem 1

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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We can solve percents using the proportion "is/of = percent/100" since a percent is a ratio out of 100. In these examples, we solve for the unknown "is" number when a problem is presented like, "what IS 5 percent of 20?" We place a variable on the top of the first fraction and then solve using cross multiplying.

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