document.write( "Question 162140This question is from textbook
\n" ); document.write( ": The Madison High School marching band sold solid color gift wrap for $4 per roll and print gift wrap for $6 per roll. The total number of rolls sold was 480, and the total amount of money collected was $2340. How many of each kind of gift wrap were sold? \n" ); document.write( "
Algebra.Com's Answer #119478 by checkley77(12844)\"\" \"About 
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4X+6(480-X)=2340
\n" ); document.write( "4X+2880-6X=2340
\n" ); document.write( "-2X=2340-2880
\n" ); document.write( "-2X=-540
\n" ); document.write( "X=540/-2-
\n" ); document.write( "X=270 WAS THE NUMBER OF $4 ROLLS SOLD.
\n" ); document.write( "480-270=210 WAS THE NUMBER OF $6 ROLLS SOLD.
\n" ); document.write( "PROOF:
\n" ); document.write( "4*270+6*210=2340
\n" ); document.write( "1080+1260=2340
\n" ); document.write( "2340=2340
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