document.write( "Question 62516: Three boys are going to a party and comparing how much money they have. sam works out that he has $6 more than Mark and $12 more than Dean. If they have $75 altogether, how much does Sam have? \n" ); document.write( "
Algebra.Com's Answer #43276 by dolly(163) ![]() You can put this solution on YOUR website! Let Sam have $x initially \n" ); document.write( "==> \n" ); document.write( "Mark has $(x-6) \n" ); document.write( "and \n" ); document.write( "Dean has $(x-12) \n" ); document.write( "As the total amount is $75 \n" ); document.write( "x+(x-6)+(x-12)=75 \n" ); document.write( "==> 3x-6-12=75 \n" ); document.write( "==> 3x-18=75 \n" ); document.write( "Adding 18 on both sides, \n" ); document.write( "==> 3x-18+18=75+18 \n" ); document.write( "==> 3x=93 \n" ); document.write( "==> 3x/3=93/3 \n" ); document.write( "==> x=31 \n" ); document.write( "==> Sam has $31 \n" ); document.write( " |