SOLUTION: Cindy averaged 60 mph on a trip to Chicago. Returning home she took a more scenice route and averaged 50 mph. The return trip was 2 hours longer and was 30 miles farther. How long
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-> SOLUTION: Cindy averaged 60 mph on a trip to Chicago. Returning home she took a more scenice route and averaged 50 mph. The return trip was 2 hours longer and was 30 miles farther. How long
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Question 116500This question is from textbook
: Cindy averaged 60 mph on a trip to Chicago. Returning home she took a more scenice route and averaged 50 mph. The return trip was 2 hours longer and was 30 miles farther. How long did it take Cindy to drive to Chicago? This question is from textbook
You can put this solution on YOUR website! Cindy averaged 60 mph on a trip to Chicago.
Returning home she took a more scenic route and averaged 50 mph.
The return trip was 2 hours longer and was 30 miles farther.
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To Chicago DATA:
Distance = x miles ; rate = 60 mph ; time = d/r = x/60 hrs
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Return DATA:
Distance = x+30 miles ; rate = 50 mph ; time = (x+30)/50 hrs
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How long did it take Cindy to drive to Chicago?
EQUATION:
Return time = to Chi. time +2 hrs
(x+30)/50 = x/60 +2
6(x+30) = 5x + 600
6x + 180 = 5x + 600
x = 420 miles
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Time to Chicago = x/60 = 420/60 =7 hrs.
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Cheers,
Stan H.
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