SOLUTION: an oil tanker can be filled in 10 hours from one pipe. It can be filled by another pipe in 8 hours. how long would it take to fill the tanker using both pipes.
answer : it wil
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answer : it wil
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Question 164886: an oil tanker can be filled in 10 hours from one pipe. It can be filled by another pipe in 8 hours. how long would it take to fill the tanker using both pipes.
answer : it will take 4 4/9 hours to fill the tanker with both pipes
need a break down of how my book got 4 4/9 as an answer Answer by edjones(8007) (Show Source):
You can put this solution on YOUR website! one pipe fills 1/10 the tank in 1 hr.
The other pipe fills 1/8 the tank in 1 hr.
1/10 + 1/8
=8/80 + 10/80
=18/80
=9/40 of the tank filled by both pipes in 1 hr
40/9 hrs to fill the tank using both pipes.
.
Ed
