Question
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
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
Answers
Reiny
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
so the slower went 3r mi
the faster went 3(2r) miles
so 3r + 6r = 72
solve for r