document.write( "Question 1209074: At a store, you are interested in purchasing a candy bar and a piece of bubble gum. Together, they cost $1.20. The candy bar costs a dollar more than four times the bubble gum. How much does the piece of bubble gum cost, in cents? \n" ); document.write( "
Algebra.Com's Answer #847634 by math_tutor2020(3817)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "b = cost of bubble gum \n" ); document.write( "4b+100 = cost of candy bar \n" ); document.write( "Both costs are in cents.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "candybar + gum = 120 cents \n" ); document.write( "(4b+100)+b = 120 \n" ); document.write( "5b+100 = 120 \n" ); document.write( "5b = 120-100 \n" ); document.write( "5b = 20 \n" ); document.write( "b = 20/5 \n" ); document.write( "b = 4 \n" ); document.write( "The gum costs 4 cents.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "4b+100 = 4*4+100 = 116 cents, aka $1.16, is the cost of the candy bar. \n" ); document.write( "candybar + gum = $1.16 + $0.04 = $1.20 which confirms the answer is correct.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer: 4 cents \n" ); document.write( " \n" ); document.write( " |