AnswersELPGEQ1 MJ Math 6 - 1205010 HCPS v24Understanding SpeedQuestion 16
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Understanding Speed

Question 16 • ELPGEQ1 M/J Math 6 - 1205010 HCPS v24

An olympian swam the 200-meter freestyle at a speed of 1.8 meters per second. An olympic runner ran the 200-meter dash in 21.3 seconds. How much faster was the runner’s speed than the swimmer’s speed to the nearest tenth of a meter per second?

Answer
A
0.1 meters per second
B
0.4 meters per second
C
7.6 meters per second
D
9.4 meters per second

Explanation

The runner’s speed was 200 ÷ 21.3 ≈ 9.4 meters per second. Subtract the swimmer’s speed: 9.4 − 1.8 = 7.6 meters per second, so the runner was faster by 7.6 meters per second.

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