0 votes
1.5k views
in Mathematics Form 1 by
Two pipes A and B can fill an empty tank in 3hrs and 5hrs respectively. Pipe C can empty the tank in 4hrs. If the three pipes A, B and C are opened at the same time find how long it will take for the tank to be full.

1 Answer

0 votes
by

1/9 +1/5 -1/4 = 20+12-18/60
17/60
17/60=1hr
1= 1 x 60/17
60/17 = 3.5294118
= 3.529 hrs

Related questions

Welcome to EasyElimu Questions and Answers, where you can ask questions and receive answers from other members of the community.

6.4k questions

9.6k answers

6 comments

590 users

...