SOLUTION: Three students entered a race around a track. Peter takes 6 minutes to run one lap. Penny takes 3 minutes to run one lap & it takes Wayne 5 minutes to run one lap. If all three beg
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: Three students entered a race around a track. Peter takes 6 minutes to run one lap. Penny takes 3 minutes to run one lap & it takes Wayne 5 minutes to run one lap. If all three beg
Log On
Question 796529: Three students entered a race around a track. Peter takes 6 minutes to run one lap. Penny takes 3 minutes to run one lap & it takes Wayne 5 minutes to run one lap. If all three begin the race at the same time how many minutes will it take all three to be at the starting point again? How many times will all three students be at the starting point at the same time in a 3 hour race? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! Three students entered a race around a track. Peter takes 6 minutes to run one lap. Penny takes 3 minutes to run one lap & it takes Wayne 5 minutes to run one lap.
----------------------------
If all three begin the race at the same time how many minutes will it take all three to be at the starting point again?
Ans: Least common multiple = 30 minutes
----------------------------------------------------
How many times will all three students be at the starting point at the same time in a 3 hour race?
Ans: 3 hours/30 min = 6 times (not counting the bigging of the race)
-----------
Cheers,
Stan H.
=============
(