Respuesta :

SneakySnek131

Answer:

20 gallons = $72

Step-by-step explanation:

Divide 18 by 5 to find the cost per gallon.

18 / 5 = $3.60

1 gallon = $3.60

Multiply $3.60 by 20 gallons.

3.60 * 20 = 72

Thus, 20 gallons is $72.