document.write( "Question 1008688: two number have the ratio 3:4 if 5 is subtracted from each of the number the difference have ratio of 1:3 find the number \n" ); document.write( "
Algebra.Com's Answer #624261 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! two number have the ratio 3:4 if 5 is subtracted from each of the number the difference have ratio of 1:3 find the number \n" ); document.write( "-------------- \n" ); document.write( "x/y = 3/4 \n" ); document.write( "(x-5)/(y-5) = 1/3 \n" ); document.write( "----------------------- \n" ); document.write( "x = (3/4)y \n" ); document.write( "------- \n" ); document.write( "Substitute for \"x\" and solve for \"y\":: \n" ); document.write( "((3/4)y -5)/(y-5) = 1/3 \n" ); document.write( "---- \n" ); document.write( "Cross-multiply:: \n" ); document.write( "3[(3/4)y-5] = y-5 \n" ); document.write( "----- \n" ); document.write( "(9/4)y - 15 = y-5 \n" ); document.write( "(5/4)y = 10 \n" ); document.write( "y = 8 \n" ); document.write( "--- \n" ); document.write( "Solve for \"x\": \n" ); document.write( "x = (3/4)y \n" ); document.write( "x = (3/4)8 = 6 \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------- \n" ); document.write( " \n" ); document.write( " |