document.write( "Question 175910: can u please help me on this one:42/y=120/100 \n" ); document.write( "
Algebra.Com's Answer #131015 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! can u please help me on this one:42/y=120/100 \n" ); document.write( "----------------- \n" ); document.write( "42/y=120/100 \n" ); document.write( "42/y=12/10 \n" ); document.write( "42/y=6/5 \n" ); document.write( "Multiply by 5y \n" ); document.write( "42*5 = 6y \n" ); document.write( "6y = 210 \n" ); document.write( "y = 35 \n" ); document.write( "----------- \n" ); document.write( "A quicker way is to \"cross multiply\" \n" ); document.write( "42/y=120/100 \n" ); document.write( "42*100 = 120y \n" ); document.write( "y = 35 \n" ); document.write( " \n" ); document.write( " |