document.write( "Question 955171: Four burgers and six fries cost $10.50. Six burgers and four fries cost $11.50. How much will three burgers and three fries cost? \n" ); document.write( "
Algebra.Com's Answer #583440 by macston(5194)![]() ![]() You can put this solution on YOUR website! B=cost of burger; F=cost of fries \n" ); document.write( "4B+6F=$10.50 \n" ); document.write( "6B+4F=$11.50 Add together \n" ); document.write( "10B+10F=$22.00 \n" ); document.write( "10(B+F)=$22.00 Divide each side by 10 \n" ); document.write( "B+F=$2.20 Each burger and fries costs $2.20, so multiply by 3 \n" ); document.write( "3(B+F)=$6.60 \n" ); document.write( "3B+3F=$6.60 ANSWER 3 burgers and 3 fries costs $6.60.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |