document.write( "Question 990500: at a baseball game cups of coffe were sold and 489$ was collected. small coffees sold for 2$ each and large coffees sold for 3$. how many small coffees were sold if 55 large coffee's were sold \n" ); document.write( "
Algebra.Com's Answer #610546 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "S=number of small coffees; L=number of large coffees=55 \n" ); document.write( ". \n" ); document.write( "$2S+$3L=$489 \n" ); document.write( "$2S=($489-$3L) \n" ); document.write( "S=($489-$3L)/$2 \n" ); document.write( "S=($489-$3(55))/$2 \n" ); document.write( "S=($489-$165)/$2 \n" ); document.write( "S=$324/$2 \n" ); document.write( "S=162 \n" ); document.write( "ANSWER: 162 small cups were sold. \n" ); document.write( ". \n" ); document.write( "CHECK: \n" ); document.write( "$2S+$3L=$489 \n" ); document.write( "$2(162)+$3(55)=$489 \n" ); document.write( "$324+$165=$489 \n" ); document.write( "$489=$489\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |