document.write( "Question 778221: Mark drives a large truck. His truck gets 4.4 miles per gallon on average. Mark's boss has sked him to take a business trip of 55 miles to deliver a product. Diesel gas currently costs $3.67 per gallon where Mark lives. Mark wants to know how much money this business trip will cost him. \n" ); document.write( "
Algebra.Com's Answer #474509 by josgarithmetic(39621)![]() ![]() ![]() You can put this solution on YOUR website! Assign variables to everything.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "E = fuel efficiency, 4.4 mpg \n" ); document.write( "d = distance expected, 55 miles \n" ); document.write( "p = diesel fuel price, 3.67 dollars per gallon \n" ); document.write( "y = cost expected for the trip just in fuel, unknown. Dollars.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Start with d, and use the ratios E and p. You are looking for a formula for y. Just watch the units carefully in forming your formula. \n" ); document.write( "y=d*(?)*(?) \n" ); document.write( " |