document.write( "Question 991718: If joe wins 18 of 30 games against mike. How many games in a row would joe have to win to have a 75% winning record \n" ); document.write( "
Algebra.Com's Answer #611522 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If joe wins 18 of 30 games against mike. How many games in a row would joe have to win to have a 75% winning record \n" ); document.write( "------ \n" ); document.write( "Solve:: \n" ); document.write( "Let the number of wins he needs be \"x\":: \n" ); document.write( "(18+x)/(30+x) = 3/4 \n" ); document.write( "----- \n" ); document.write( "4(18+x) = 3(30+x) \n" ); document.write( "72+4x = 90+3x \n" ); document.write( "x = 18 (# he would have to win) \n" ); document.write( "----------------- \n" ); document.write( "Proof (18+18)/(30+18) = 36/48 = 3/4 = 0.75 \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |