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16-03-2017
Mathematics

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Car A travels at an average speed of 45 miles per hour. Car B travels at an average speed of 40 miles per hour. In the time it takes car B to travel a certain distance d, car A travels 60 miles farther. Find the distance that each car travels and the time of its trip.

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Аноним Аноним

16-03-2017

Setup
45t = 40t + 60
5t = 60
t = 12

car A = 45 * 12 = 540 mi
car B = 40 * 12 = 480 mi

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