SOLUTION: Alysa left Paris with a speed of 66 mph. Joan also left at the same time in the opposite direction at a speed of 72 mph. How many hours does Joan must travel before they are 232 mi

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Question 911179: Alysa left Paris with a speed of 66 mph. Joan also left at the same time in the opposite direction at a speed of 72 mph. How many hours does Joan must travel before they are 232 miles apart
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
D = rt (opposite directions)
66t + 72t = 232
138t = 232
t = 232/138 = ~1.68hrs