document.write( "Question 974247: Liz recently took a road trip. she bought 30 gallons of gasoline for $3.18 per gallon and 10 gallon at a price of $3.75 per gallon. she filled her tank once on the way back with 20 gallon at $3.65 per gallon . what was the average cost of fuel per gallon on her trip? \n" ); document.write( "
Algebra.Com's Answer #596217 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Prices in dollars per gallon, and volume in gallons. Uniform Rates, P*V=D for PRICE, VOLUME, DOLLARS. P is a rate.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "_____________________PRICE___________VOL__________Money \n" ); document.write( "First Buy____________3.18____________30___________(3.18)(30) \n" ); document.write( "Next Buy_____________3.75____________10__________(3.75)(10) \n" ); document.write( "Trip back____________3.65____________20__________(3.65)(20) \n" ); document.write( "TOTALS_______________________________60__________205.9\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The COST for the trip was 205.9 dollars. DOLLARS!! The PRICE in dollars per gallon was \n" ); document.write( "- \n" ); document.write( "3.43 dollars per gallon, the average PRICE. \n" ); document.write( " |