SOLUTION: Lets say that a consultant traveled 4 hours to attend a meeting. The return trip took only 3 hours because the speed was 3 miles per hour faster. What was the consultant's speed
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Question 29020: Lets say that a consultant traveled 4 hours to attend a meeting. The return trip took only 3 hours because the speed was 3 miles per hour faster. What was the consultant's speed each way. Answer by wuwei96815(245) (Show Source):
You can put this solution on YOUR website! When you need to solve a problem that involves speed and time, you normally have to use the equation distance = speed x time.
First part of trip distance = speed x 4 hours
Second part of trip distance = (speed + 3mph) x 3 hours
We know that the two distances are equal so we can set up the following equation:
speed x 4 hours = (speed + 3mph) x 3 hours
4speed = 3speed + 9
4speed -3speed = 9
speed = 9 mph
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