Wesley is traveling from california to utah. his trip covers a distance of 673.1 miles. for the first 3 hours, he travels at an average speed of 67.2 miles per hour. for the next 2 hours, he travels at an average speed of 69.5 miles per hour. wesley must travel miles farther before he reaches his destination. if wesley travels at a fixed speed of 66.5 miles per hour during the final leg of the trip, it will take him another hours to get there.

Question

Mathematics

Selah Pace

25 March, 03:57

Wesley is traveling from california to utah. his trip covers a distance of 673.1 miles. for the first 3 hours, he travels at an average speed of 67.2 miles per hour. for the next 2 hours, he travels at an average speed of 69.5 miles per hour. wesley must travel miles farther before he reaches his destination. if wesley travels at a fixed speed of 66.5 miles per hour during the final leg of the trip, it will take him another hours to get there.

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Answers (1)

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Alma Carney · Answer 1

673,1 = 3*67,2+2*69,5+66,5*X

673,1 = 201,6+139+66,5X

673,1-201,6-139 = 66,5X

332,5 = 66,5X

X = 332,5/66,5

X = 5

It will take him another 5 hours.