SOLUTION: One car travels 320 km in 4 hours whereas the other car travels 375 km in 5 hours. Find the ratio of the speed of the two cars.
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Question 1061196: One car travels 320 km in 4 hours whereas the other car travels 375 km in 5 hours. Find the ratio of the speed of the two cars.
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
the speed of the first car is 320/4 = 80 kmph.
the speed of the second caris 375/5 = 75 kmph.
the ratio of the speed of the first car to the second car would be 80/75.
simplify to get 16/15.
the ratio of the speed of the second car to the first car would be 75/80.
simplify to get 15/16.
the first car travels 16/15 times as fast as the second car.
the second car travels 15/16 times as fast as the first car.
let f represents the speed of the first car.
let s represent the speed of the second car.
f/s = 16/15
solve for f to get f = 16/15 * s.
s/f = 15/16
solve for s to get s = 15/16 * f.
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