SOLUTION: sam is driving a distance of 140 miles from his house to visit Melissa. Sam takes city roads , on which can he travel an average of 35 mph for a total of 1.5 hours . Sam also takes

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Question 1062857: sam is driving a distance of 140 miles from his house to visit Melissa. Sam takes city roads , on which can he travel an average of 35 mph for a total of 1.5 hours . Sam also takes the highway , on which he travels an average of 65 mph for a total of x hours . approximately how long does Sam travels on the highway , to the nearest tenth of an hour ?
Answer by ikleyn(52802) About Me  (Show Source):
You can put this solution on YOUR website!
.
sam is driving a distance of 140 miles from his house to visit Melissa. Sam takes city roads , on which can he travel an average
of 35 mph for a total of 1.5 hours . Sam also takes the highway , on which he travels an average of 65 mph for a total
of x hours .
approximately how long does Sam travels on the highway , to the nearest tenth of an hour ?
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Such a problem you can solve in ONE line:

How long does Sam travels on the highway = %28140-1.5%2A35%29%2F65 hours.

Use your calculator.