rylleeee rylleeee

14-05-2018
Mathematics

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An airplane can fly at a speed, that allows it to fly 50 yards in 3⁄2 of a second. How long will it take an airplane at the same speed to fly 20 yards? Write your answer as a fraction of a second.

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musiclover10045 musiclover10045

14-05-2018

find the ratio of 20 yards compared to 50 yards:

20/50 = 2/5
this means it would take 2/5 of the time to fly 20 yards
multiply 3/2 seconds by 2/5

3/2 * 2/5 = 6/10 = 3/5 of a second to fly 20 yards

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