document.write( "Question 338023: Briana and her sister Molly both want to buy the same model bicycle. Briana needs $73 more before she can afford the bike. Molly needs $65 more. If they combine their money, they will have just enough to buy one bicycle that they could share. What is the cost of the bicycle? \n" ); document.write( "
Algebra.Com's Answer #242504 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! Briana and her sister Molly both want to buy the same model bicycle. \n" ); document.write( " Briana needs $73 more before she can afford the bike. \n" ); document.write( " Molly needs $65 more. \n" ); document.write( "If they combine their money, they will have just enough to buy one bicycle that they could share. \n" ); document.write( " What is the cost of the bicycle? \n" ); document.write( ": \n" ); document.write( "Let x = cost of he bike \n" ); document.write( "then \n" ); document.write( "(x - 73) = amt that B has \n" ); document.write( "and \n" ); document.write( "(x - 65) = amt that M has \n" ); document.write( ": \n" ); document.write( "A simple equation \n" ); document.write( "(x-73) + (x-65) = x \n" ); document.write( "2x - 138 = x \n" ); document.write( "2x - x = 138 \n" ); document.write( "x = $138 cost of the bike \n" ); document.write( " |