The total amount to be spent on gas is $151.04.
In order to determine the total liters to be bought, divide 1600 by 2.5
How many liters should be spent on gas = 1600 / 12.5 = 128 liters
The total cost of gas = total liters needed x average price
128 x 1.18 = $151.04
To learn more about division, please check: https://brainly.com/question/194007