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Found in: Page 351


Book edition Common Core Edition
Author(s) Ron Larson, Laurie Boswell, Timothy D. Kanold, Lee Stiff
Pages 183 pages
ISBN 9780547587776

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Short Answer

Use a proportion to answer the question. What percent of 90 is 40?

The number 40 is 4449% of 90.

See the step by step solution

Step by Step Solution

Step 1. Given Information.

The number is 90.

Step 2. Calculation.

Let x be the percentage.

Write percentage as a fraction.



Multiply both sides of the equation with 100 to isolate the variable on one side of the equation.


Step 3. Conclusion.

The number 40 is 4449% of 90.

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