document.write( "Question 164479: An oil tanker can be filled in 10 hours from one pipe. It can be filled by another pipe in 8 hrs. How long will it take to fill the tank if both pipelines are used .\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "answer: it will take 2 11/12 hours to fill the storage tank using both pipes\r
\n" ); document.write( "\n" ); document.write( "need a breakdown of how my book got 2 11/12 hours to fill the storage tank using both pipes as the answer
\n" ); document.write( "

Algebra.Com's Answer #121196 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
10*8/(10+8)=80/18=4.444 HOURS TO FILL THE TANK USING BOTH PIPES.
\n" ); document.write( "BELIEVE YOUR ANSWER OF 2 11/12 IS INCORRECT.
\n" ); document.write( "
\n" );