Melanie went to the hardware store and bought gallons of white paint and gallons of black paint. How many gallons of paint did Melanie buy altogether?
A student solved the problem this way:
Melanie bought gallons of paint.
Use a similar strategy to solve this problem.
Juan bought gallons of black paint, gallons of white paint, and a inch paint brush.
How many gallons of paint did Juan buy altogether?
A.
gallons
B.
gallons
C.
gallons
D.
gallons