document.write( "Question 990281: I have a question about my homework so it says Some friends eat out and each pays for one-fifth of a pizza, one-half of a plate of fries, and one $2 soda. Each person paid a total of $10. How much does a plate of fries cost? \n" ); document.write( "
Algebra.Com's Answer #610317 by macston(5194)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "P=cost of pizza; F=cost of fries; S=cost of soda \n" ); document.write( "T=total cost per person \n" ); document.write( ". \n" ); document.write( "T=0.2P+0.5F+S \n" ); document.write( "T-0.2P=0.5F+S \n" ); document.write( "(T-0.2P-S)=0.5F \n" ); document.write( "2(T-0.2P-S)=F \n" ); document.write( "2($10-0.2P-$2)=F \n" ); document.write( "2($8-0.2P)=F \n" ); document.write( "$16-0.4P=F This is as far as we can go with information given. \n" ); document.write( " \n" ); document.write( " |