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)\"\" \"About 
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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
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