SOLUTION: An Oil Tanker can be filled in 10 hrs from one pipe. It can be filled by another pipeline in 8 hrs. How long will it take to fill the tank if both pipe lines are used.
answer:
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Question 164478: An Oil Tanker can be filled in 10 hrs from one pipe. It can be filled by another pipeline in 8 hrs. How long will it take to fill the tank if both pipe lines are used.
answer: it will take 4 4/9 hoursto fill the tanker using both pipes.
need a break down of how my book got 4 4/9 hours to fill the tanker using both pipes.
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
10*8/(10+8)=80/18=4.444 HOURS TO FILL THE TANK USING BOTH PIPES.
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