Didn't each ride for 3 hours? (distance = time x rate)
so the slower went 3r mi
the faster went 3(2r) miles
so 3r + 6r = 72
solve for r
I have no clue how to do this (uniform motion
1)2 bycicles start from the same point and ride in opposite directions. 1 rider is moving twice as fast as the other. In 3h, they are 72mi apart. Find the rate of each rider
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