Question

Maggie recently took a road trip. She bought 15 gallons of gasoline for $1.68 per gallon and 12 gallons at a price of $1.76 per gallon. She filled her tank once on the way back with 16 gallons at $1.65 per gallon. What was the average fuel cost per gallon on Maggie's trip?

Answer 1

@mathstudent55

Answer 2

average fuel cost per gallon = (total cost) / (total number of gallons)

total cost = (1.68 X 15) + (1.76*12) + (1.65*16) = $72.72
total no of gallons = 15+12+16 =43

average = 72.72 / 43 = $1.69