cost of 1 gallon gas = $2.09
cost of 3.785 litres gas = $2.09 ( 1 gallon = 3.785 litres)
cost of 1 litre gas = 2.09/3.785
cost of 18 litres gas = 2.09/3.785 * 18 = $20.982
Answer:
Robert´s trip cost $20.98.
Step-by-step explanation:
Robert use 38 liters of gas to make his 292 miles trip. The gallon of gas cost is $2.09. First we have to convert the 38 liters of gas to gallons.
[tex]38 liters*\frac{1 gallon}{3.785 liters} =10.04 gallons[/tex]
Having convert the units, we can calculate how much cost the gas, this is:
[tex]10.04gallons*2.09=20.98[/tex]
Robert´s trip cost $20.98.
The distance and time data is used to confuse.
