document.write( "Question 377560: A pipe can fill a swimming pool in 10 hours. If a second pipe is opened, the two pipes together can fill the pool in 4 hours. How long would it take the second pipe alone to fill the pool? -Thanks a lot! \n" ); document.write( "
Algebra.Com's Answer #268271 by edjones(8007)![]() ![]() You can put this solution on YOUR website! Let x = number of hour it take the 2nd pipe alone to fill the pool. \n" ); document.write( "1/10 + 1/x = 1/4 \n" ); document.write( "2x+20=5x Multiply each side by 20x \n" ); document.write( "3x=20 \n" ); document.write( "x=20/3 hrs. \n" ); document.write( ". \n" ); document.write( "Ed \n" ); document.write( " |