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A tire measures 20 inches in diameter. How many revolutions will the tire have completed when it has traveled 100 yards? Express your answer to the nearest whole number.

 Mar 2, 2021
 #1
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nvm, i got it.

 Mar 2, 2021
 #2
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A tire measures 20 inches in diameter. How many revolutions will the tire have completed when it has traveled 100 yards? Express your answer to the nearest whole number.    

 

So, its circumference is 20π.   20 in • 3.1416 = 62.92 in   

 

100 yards is 3600 inches, so the tire has to go around 3600 / 62.92 times. 

 

3600 / 62.92 =  57.22  =  57 rotations 

.

 Mar 2, 2021
edited by Guest  Mar 2, 2021

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