document.write( "Question 1137300: Write the function rule for the total cost in dollars of gasoline if y gallons of gasoline for 6$per gallon \n" ); document.write( "
Algebra.Com's Answer #755178 by Theo(13342)\"\" \"About 
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total cost is dollars per gallon multiplied by price per gallon.\r
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\n" ); document.write( "\n" ); document.write( "let c = total cost.
\n" ); document.write( "let y = number of gallons.\r
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\n" ); document.write( "\n" ); document.write( "then c = 6 * y\r
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