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Chapter 7: Q5. (page 353)

Use a proportion to answer the question. What percent of 30 is 27?

Short Answer

Expert verified

The number 27 is 90% of 30.

Step by step solution

01

Step 1. Given Information.

The number is 30.

02

Step 2. Calculation.

Let x be the number.

Write percentage as a fraction.

Therefore,

2730=x100

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

2730×100=100×x100x=90

03

Step 3. Conclusion.

The number 27 is 90% of 30.

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