SOLUTION: Pipes A, B, and C individually drain a basin in 3, 2, and 1.5 hours respectively. If they were all opened to drain the basin together, how many minutes would it take?
a) 20 b) 4
Algebra.Com
Question 283085: Pipes A, B, and C individually drain a basin in 3, 2, and 1.5 hours respectively. If they were all opened to drain the basin together, how many minutes would it take?
a) 20 b) 40 c) 60 d) 90
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
x/3+x/2+x/1.5=1
multiply by 6
2x+3x+4x=6
9x=6
x=6/9=2/3 hour
2/3*60=40 minutes
b)40
RELATED QUESTIONS
The fill pipe for a tank can fill the tank in 4 hours, and the drain pipe can drain it in (answered by ankor@dixie-net.com)
With drain pipes A and B open, a swimming pool can be emptied in 1.5 hours. If drain pipe (answered by richwmiller)
Crystal just had a swimming pool put in her backyard. When full, the swimming pool holds... (answered by ptaylor)
A swimming pool is to be filled using two pipes that individually can fill the pool in 8... (answered by scott8148)
Two inlet pipes can fill a water reservoir in 10 hours and 12 hours respectively when... (answered by josmiceli)
1.) A pipe can fill a pool in 6 hours. A smaller pipe can fill the same pool in 8... (answered by stanbon)
When the drain is opened on a swimming pool it takes the pool 6 hours to drain. When a... (answered by stanbon,ikleyn)
A large and small drain are opened to drain a pool. After both drains have been opened... (answered by fners)
Hi
3 identical basins, A, B, C were filled with water. Basin A had a mass of 3.1kg... (answered by josgarithmetic,greenestamps)