document.write( "Question 92819: Sally bought three chocolate bars and a pack of gum and paid $1.75. Jake bought two chocolate bars and four packs of gum and paid $2.00. Find the cost of a chocolate bar and the cost of a pack of gum. \n" ); document.write( "
Algebra.Com's Answer #67547 by checkley75(3666)![]() ![]() ![]() You can put this solution on YOUR website! 3C+G=1.75 OR G=1.75-3C \n" ); document.write( "2C+4G=2.00 NOW SUBSTITUTE (1.75-3C) FOR G IN THIS EQUATION & SOLVE FOR C. \n" ); document.write( "2C+4(1.75-3C)=2.00 \n" ); document.write( "2C+6.00-12C=2.00 \n" ); document.write( "-10C=2.00-6.00 \n" ); document.write( "-10C=-4.00 \n" ); document.write( "C=-4.00/-10 \n" ); document.write( "C=.40 COST OF THE GUM. \n" ); document.write( "3C+.40=1.75 \n" ); document.write( "3C=1.75-40 \n" ); document.write( "3C-1.35 \n" ); document.write( "C=1.35/3 \n" ); document.write( "C=.45 COST OF THE CHOCOLATE. \n" ); document.write( " |