Solution to

In the U.S. system, the normal units of length measurement are the inch,

Frame 4-17.

foot, yard, and mile. These units were defined in Frame 4-13. The

approximate equivalents of these units in the metric system are given

37 mm = **3.7 cm **=

below. More exact conversion figures are given in the appendix.

1 inch = 2.5 cm = 25 mm

1 foot = 30 cm = 0.3 m

1 yard = 91 cm = 0.91 m

1.2 m = **0.0012 km**

1 mile = 1.6 km

A board is 2 1/2 feet long. How long is the board in metric units?

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Solution to

In the previous frame, you were given conversion information for changing

Frame 4-18.

a length measurement from the U.S. system to the metric system. The

information below will help you to change lengths from the metric system

75 cm or 3/4 (0.75) m

to the U.S. system. More exact conversion figures are given in the

appendix.

(using the conversion

formulas shown in Frame

1 mm = 0.04 inches

4-18)

1 cm = 0.4 inches = 0.03 feet

1 m = 1.1 yards = 3.3 feet = 39 inches

1 km = 0.62 (about 5/8) miles = 1094 yards = 3281 feet

A person runs a 1600-meter race. How far did he run in U.S. measure?

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MD0900

4-9

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