document.write( "Question 66859This question is from textbook Advanced mathematics
\n" ); document.write( ": The price of gasoline is $1.30 per gallon plus federal tax of F cents and a state tax of S cents. How many gallons of gasoline can be purchased for $20? \n" ); document.write( "
Algebra.Com's Answer #47567 by ptaylor(2198)\"\" \"About 
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The price of gasoline is $1.30 per gallon plus federal tax of F cents and a state tax of S cents. How many gallons of gasoline can be purchased for $20?\r
\n" ); document.write( "\n" ); document.write( "LETS DEAL IN CENTS TO REDUCE CONFUSION:\r
\n" ); document.write( "\n" ); document.write( "So, the cost per gal is 130+F+S cents\r
\n" ); document.write( "\n" ); document.write( "Let x=number of gal that can be purchased for $20 OR 2000 cents\r
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\n" ); document.write( "\n" ); document.write( " Cost per gal times number of gals must equal 2000 cents\r
\n" ); document.write( "\n" ); document.write( "(130+F+S)(x)=2000 (Note: the units work out to gal)\r
\n" ); document.write( "\n" ); document.write( "x=2000/(130+F+S) gal \r
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\n" ); document.write( "\n" ); document.write( "Hope this helps---ptaylor\r
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