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Example 7.50 from Prealgebra, 7.5 Systems of Measurement
Systems of Measurement: example 7.50
Nick ran a race. How many meters did he run?
Figure
7.8
(credit: William Warby, Flickr)
Work it out on paper first. Then open the solution one step at a time, and stop as soon as you can finish on your own.
Solution
We will convert kilometers to meters using the Identity Property of Multiplication and the equivalencies in Table 7.3.
10 kilometers Multiply the measurement to be converted by 1. Write 1 as a fraction relating kilometers and meters. Simplify. Multiply. 10,000 m Nick ran 10,000 meters.
Your turn
The book's Try It right after this example: same idea, new numbers. Only the answer is given.
Sandy completed her first race. How many meters did she run?
How did it go?