document.write( "Question 1042396: A tank that hold 400 gallon of water can be filed by one pipe in 15 minutes and emptied by another pipe in 40 minutes. how mush time does it take to fill tank if both pipes are open? \n" ); document.write( "
Algebra.Com's Answer #657358 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! The one tank can serve as the unit of volume. The filling or emptying rate is the sum of the two rates, INCLUDING SIGN.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Flow rate will be \n" ); document.write( "The question is how many MINUTES to fill 1 TANK.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " |