document.write( "Question 109053This question is from textbook Practical business math procedures
\n" ); document.write( ": I need some help with this problem. I am totally stumped.\r
\n" ); document.write( "\n" ); document.write( "A roll of Glad wrap sells for $2.99. A roll of press'n'seal sells for $3.79 or .5 cents a sqft. Press'n'seal sells for 10/3 times as much per sqft as Glad wrap. What is the price of Glad wrap per sqft?\r
\n" ); document.write( "\n" ); document.write( "Thanks in advance for your help!
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Algebra.Com's Answer #79516 by oberobic(2304)\"\" \"About 
You can put this solution on YOUR website!
You say that press-n-seal costs .5 (1/2) cent per sqft, or $0.005 per sqft.\r
\n" ); document.write( "\n" ); document.write( "Press-n-Seal sells for 10/3 the price of Glad Wrap.\r
\n" ); document.write( "\n" ); document.write( "How much is Glad Wrap per sq ft?\r
\n" ); document.write( "\n" ); document.write( "Let GW = price of Glad Wrap, and PnS = price of Press-n-Seal.\r
\n" ); document.write( "\n" ); document.write( "From these few facts, we can derive an equation:
\n" ); document.write( "\"PnS+=+%2810%2F3%29%2AGW\"\r
\n" ); document.write( "\n" ); document.write( "We are told that \"PnS+=+.5\"
\n" ); document.write( "so we know that
\n" ); document.write( "\".5+=+%2810%2F3%29+%2AGW\"
\n" ); document.write( "Multiply through by the reciprocal of 10/3 to isolate GW.
\n" ); document.write( "\"%283%2F10%29%2A.5+=+%283%2F10%29%2A%2810%2F3%29%2AGW\"
\n" ); document.write( "\"%283%2F10%29%2A%281%2F2%29+=+GW\"
\n" ); document.write( "\"3%2F20+=+GW\"
\n" ); document.write( "So Glad Wrap costs .15 cents per sq ft.
\n" ); document.write( "ALWAYS check your work!
\n" ); document.write( "We know that 10/3 = 3 1/3.
\n" ); document.write( "\".5+=+3.33%2A.15\"
\n" ); document.write( "\".5+=+.5\"
\n" ); document.write( "Check!
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