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The truck driver drove 120 miles in 1 3/4 hours. what is the speed of the truck in miles per hour?

Respuesta :

the answer would be about 30 m
Noah11012
Convert mixed number into improper fraction: 1 3/4 => 7/4

Use d=rt formula

120 = 7/4r

Divide both sides by 7/4

r = 68 4/7

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