Question 810351: Jane travels 2 times faster than Brenda. Traveling in opposite directions, they are 252 miles apart after 3.5 hours. Find their rates of travel
Answer by TimothyLamb(4379)   (Show Source):
You can put this solution on YOUR website! s = d / t
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j = 2b
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their relative speed is:
s = 252 / 3.5 = 72 mph
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j + b = 72
2b + b = 72
3b = 72
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b = 24 mph
j = 48 mph
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