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Chapter 2: Q15. (page 115)

Solve each proportion. If necessary, round to nearest hundredth.

38=15a

Short Answer

Expert verified

The value of a=40.

Step by step solution

01

Step-1. Define equivalent ratios.

Equivalent ratios are two ratios which have same relationship between the numbers.

02

Step-2. Find the cross products.

The given ratios can be simplified by doing cross product:

38=15aa3=158

03

Step-3. Simplify for a.

To further simplify, divide each side by 3.

a3=1583a=1203a3=1203a=40

Therefore, the value of a=40.

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Most popular questions from this chapter

Translate the following equation into a sentence:

r2−15=t+19

Translate each equation into a sentence.

32r-t3=132

Solve each equation. Check your solution.

−34=6m−4

Find the value of n. Then name the property used in each step. (Lesson 1-3)

n⋅1=2

Translate the following equation into a sentence:

4m=32
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