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Chapter 13: Q44. (page 707)

A preprogrammed workout on a treadmill consists of intervals walking at various rates and angles of incline. A 1% incline means 1 unit of vertical rise for every 100 units of horizontal run.

If the treadmill bed is 40 inches long, what is the vertical rise when set at an 8% incline.

Short Answer

Expert verified

The vertical rise is3.2 inches.

Step by step solution

01

Step 1. Given Information.

Given that a pre-programmed workout on a treadmill consists of intervals walking at various rates and angles of incline. A 1% incline means 1 unit of vertical rise for every 100 units of horizontal run.

The vertical rise is to be determined when the treadmill is set at an 8% incline and the treadmill is 40 inches long.

02

Step 2. Explanation.

The 8% incline means 8 units of vertical rise for every 100 units of horizontal run.

Here the horizontal run is 40 inches, so the ratio remains the same.

Plugging the values in the equation:

8100=x40x=320100x=3.2

03

Step 3. Conclusion.

Hence, the vertical rise is 3.2 inches.

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