SOLUTION: can help me for this question:
A tap 1 can fill an empty tank in 42 minutes and tap 2 can fill the empty tank in 30 minutes. how many minutes can fill the empty tank if use both
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Question 1002015: can help me for this question:
A tap 1 can fill an empty tank in 42 minutes and tap 2 can fill the empty tank in 30 minutes. how many minutes can fill the empty tank if use both tap 1&2.
Answer by ikleyn(52797) (Show Source): You can put this solution on YOUR website!
.
It is typical problem on joint work.
For similar problem see the lesson Using fractions to solve word problems on joint work in this site (Problem 1).
Read it attentively and then substitute your data.
Good luck!
+ = = = . ----->
Answer. It requires = minute for two taps to fill the tank.
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