SOLUTION: two casrs leave a parking lot at the same time.one car travel south at 55 mph and other car travels west at 45 mph. how long will it take until the cars are 150 apart

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Question 970945: two casrs leave a parking lot at the same time.one car travel south at 55 mph and other car travels west at 45 mph. how long will it take until the cars are 150 apart
Found 2 solutions by josgarithmetic, Alan3354:
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
They move apart at 55-45=10 mph.
10%2At=150
t=15

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
two casrs leave a parking lot at the same time.one car travel south at 55 mph and other car travels west at 45 mph. how long will it take until the cars are 150 apart
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It's a right triangle with hypotenuse = 150 miles.
One leg = 55t the other = 45t (t in hours)
%2855t%29%5E2+%2B+%2845t%29%5E2+=+150%5E2+=+22500%7D%7D%0D%0A%7B%7B%7B5050t%5E2+=+22500
t+=+sqrt%2822500%2F5050%29 =~ 2.1108 hours