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Solve Problems with Ratios and Unit Rates - Instruction - Level F
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1) A speed skater completes a 500-meter race in 40 seconds. A cheetah runs 260 meters in 10 seconds. How do their speeds compare?
(1)) Find the number of meters a speed skater and a cheetah travel in 1 second.
(1) A speed skater travels meters per second.
A cheetah travels ? meters per second.

Answer

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Answer

$Compare : \frac{12.5}{26} = \frac{25}{52} = \frac{5}{13} or 0.4808$

Steps

Step 1 ： $Speed Skater : \frac{500}{40} = \frac{50}{4} = \frac{25}{2} = 12.5 m/s$

Step 2 ： $Cheetah : \frac{260}{10} = 26 m/s$

Step 3 ： $Compare : \frac{12.5}{26} = \frac{25}{52} = \frac{5}{13} or 0.4808$