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A car travels 120 mi. a second car, travelling 10 mph faster than the first car, makes the same trip in 1 hr less time. find the speed of each car.
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A car travels 120 mi. a second car, travelling 10 mph faster than the first car, makes the same trip in 1 hr less time. find the speed of each car.
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Sep 22, 2018
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a car travels 120 mi. a second car, travelling 10 mph faster than the first car, makes the same trip in 1 hr less time. find the speed of each car.
Mathematics
high-school
Student Jack
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Student Jack
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Let x be the speed of the first car, then (x + 10) is the speed of the second car.
We can write the equation by the condition of the problem:
mph s
peed of the first car
Then 30+10=40 mph speed of the second car
Answer: 30mph and 40 mph.
I hope this helps.
Laurence Mommers
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Sep 27, 2018
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Laurence Mommers
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