Question

The cost of the paint was $39 per gallon, so if the cost is $4,368, how many gallons did you buy?

Answer 1

Cost of total divided by cost per gallon

$4,368/$39=112 

112 Gallons bought

Answer 2

$39 per gallon
$4,368 = cost of total

Divide  ⇒  4368 : 39

4368 = 112
  39

Solution: 112 gallons.