For a car moving at a constant speed, the distance traveled varies directly with the time spent driving. If such a car travels 180 miles in 9 hours, how long does it take to travel 140 miles?

Question

Hadley Brown

Mathematics

14 May, 22:20

For a car moving at a constant speed, the distance traveled varies directly with the time spent driving. If such a car travels 180 miles in 9 hours, how long does it take to travel 140 miles?

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Adison West · Answer 1

Well if we have 180 miles in 9 hours then by division we can work out that in 1 hour the car travels 20miles. so to get to 140 from 20 we times by 7 so we do the same to the hours which would be 7 hours