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Chapter 2: Q20. (page 115)

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

813=v21

Short Answer

Expert verified

The value of v=12.92.

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:

813=v21218=v13

03

Step-3. Simplify for v.

To further simplify, divide each side by 13.

218=v13168=13v16813=13v13v=12.92

Therefore, the value of v=12.92.

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