Melanie went to the hardware store and bought 2 1/2 gallons of white paint and 1 1/4 gallons of black paint. how many gallons of paint did melanie buy altogether?

a student solved the problem this way:

2 1/2 + 1 1/4 = 2 2/4 + 1 1/4 = 3 3/4

melanie bought 3 3/4 gallons of paint.

use a similar strategy to solve this problem.

juan bought 1 1/9 gallons of black paint, 2 1/3 gallons of white paint, and a 3/4 inch paint brush.

how many gallons of paint did juan buy altogether?

a.
3 2/9 gallons

b.
3 1/3 gallons

c.
3 4/9 gallons

d.
3 2/3 gallons