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Exercises Numbers, fractions and percents

Example 6.16 from Prealgebra, 6.2 Solve General Applications of Percent

Solve General Applications of Percent: example 6.16

Translate and solve: $36$ is $75%$ of what number?

Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.

Solution

Translate. Let $b =$ the number.

Divide both sides by 0.75.

Simplify.

Your turn

The book's Try It right after this example: same idea, new numbers. Only the answer is given.

$17$ is $25%$ of what number?

How did it go?

PreviousSolve General Applications of Percent: example 6.15 Next Solve General Applications of Percent: example 6.17

From Prealgebra (1st edition) by OpenStax (Rice University), section 6.2, licensed under CC BY 4.0. Original at openstax.org. We split the solution into steps; the words, numbers and figures are the book's. OpenStax doesn't endorse this site.