G<8 g as a variable for gallons
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
He will only need to sell one
Y=4 Because you divide 18 by 4.50 and then just put a point on positive four on your graph.
Answer: 54.6
Step-by-step explanation: 42 x 30% = 12.6 ( tax ) then 12.6 + 42 = 54.6
