Answer:
$300 is the total cost for both kinds of paint
Step-by-step explanation:
1) Start by breaking down the problem so it was more simple
- Red paint is $35 per gallon; blue is $39 per gallon
2) Since it is by gallon, you will multiply the number of gallons by the cost for each to get the total cost of each
- 35 * 3 = $105 for 3 gallons of red paint
- 39 * 5 = $195 for 5 gallons of blue paint
3) Total cost together; you will add the total cost of red and blue paint together
- 105 + 195 = $300
