Problema Solution
A motorist paid $26.50 for 10 gallons of gas and 2 quarts of oil. Another customer paid $23.58 for 8 gallons of gas and 3 quarts of oil. Find the cost of 1 gallon of gas and 1 quart of oil.
Answer provided by our tutors
Let
x = the cost of 1 gallon of gas
y = the cost of 1 quart of oil
10x + 2y = 26.50
8x + 3y = 23.58
........
click here to see the system of equations solved for x and y
........
x = $2.31
y = $1.70
The cost of 1 gallon of gas is $2.31.
The cost of 1 quart of oil is $1.70.