SOLUTION: If Judy runs the 100 yard track and Mary runs the 75 yard track, how many times will they each have to run to complete the same number of yards

Question 518962: If Judy runs the 100 yard track and Mary runs the 75 yard track, how many times will they each have to run to complete the same number of yards
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
If Judy runs the 100 yard track and Mary runs the 75 yard track, how many times
will they each have to run to complete the same number of yards.
:
The least common multiple of 100 and 75
Prime factor
100: 2*2*5*5
75: 3*5*5
LCM; 2*2*3*5*5 = 300 yds,
Judy: 300/100 = 3 laps
Mary: 300/75 = 4 laps
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