document.write( "Question 34422: You are buying flowers to hand out at a school dance. Roses cost $30 for a dozen but cost more if bought individually. With the money you have, you can buy 7 dozen and 4 single roses, or 64 single roses. How much is one rose? How much money do you have? \n" ); document.write( "
Algebra.Com's Answer #20708 by hydromojo(20)![]() ![]() ![]() You can put this solution on YOUR website! Let the price of single roses be $X\r \n" ); document.write( "\n" ); document.write( "With the money you have, you can buy\r \n" ); document.write( "\n" ); document.write( "1) 7 dozen roses + 4 single roses, OR \n" ); document.write( "2) 64 single roses\r \n" ); document.write( "\n" ); document.write( "Since the same money can buy the roses, we can equate both 1 & 2, so\r \n" ); document.write( "\n" ); document.write( "7 dozen roses + 4 singles = 64 single roses\r \n" ); document.write( "\n" ); document.write( "i.e. 7 dozen roses = (64-4) singles\r \n" ); document.write( "\n" ); document.write( "i.e. 7 dozens = 60 singles \n" ); document.write( " now, we know the price of a dozen ($30), so 7 dozens = $210 \n" ); document.write( "so, 60 singles also cost $210, thus each single costs 210/60 = $3.5\r \n" ); document.write( "\n" ); document.write( "So, you have money for 7dozen roses + 4 singles \n" ); document.write( "= $210 + 4 * 3.5 = $224 \n" ); document.write( "and each single costs $3.5 \n" ); document.write( " |