SOLUTION: two cars are leaving Charlotte at the same time.
-one car is moving east and the other west.
-after 4 hours, the cars are 456 miles apart.
-one car is traveling 10 miles per hou
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-> SOLUTION: two cars are leaving Charlotte at the same time.
-one car is moving east and the other west.
-after 4 hours, the cars are 456 miles apart.
-one car is traveling 10 miles per hou
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Question 1114534: two cars are leaving Charlotte at the same time.
-one car is moving east and the other west.
-after 4 hours, the cars are 456 miles apart.
-one car is traveling 10 miles per hour faster than the other.
what is the speed of the slower-moving car? Answer by ikleyn(52776) (Show Source):
Let r be the speed of the slower-moving car, in miles per hour.
Then the speed of the faster car is (r+10) mph.
The distance equation is
4r + 4*(r+10) = 456.
4r + 4r + 40 = 456
8r = 456-40 = 416 ====> r = = 52.
Answer. The speed of the slower-moving car is 52 mph.
