SOLUTION: Chris drove 468 miles from his home to a town where his girlfriend lives. His speed was 65 mph except on a part of the highway under construction, where he had to slow down. If his

Question 33458: Chris drove 468 miles from his home to a town where his girlfriend lives. His speed was 65 mph except on a part of the highway under construction, where he had to slow down. If his total driving time was 8 hours and the part under construction was 208 miles, at what speed did he drive the part under construction in mph? Your answer is expected to be an integer. Put your answer in the answer box. Put the unit mph after your answer
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!

469-208=260 (Not including the construction)

Construction driving speed = x

Normal speed = 65mph.

Total time = 8

Equation:





Multiply the whole equation by x:

208=8x-4x

4x=208

x=52

Hence, his speed on the construction area was 52mph.

Paul. 

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