Answer:
23/10 gallons
Explanation:
Alicia uses 3/4 gallon of paint to paint her room.
Alicia use = 3/4 gallon of paint
Becca uses for 4/5 gallon more than Alicia to paint her room.
Becca uses = Alicia (3/4 gallons ) + 4/5
Becca uses =

Total paint used together = Aliccia used + Becca used

Add like fractions 3/4 + 3/4 becomes 6/4

Make the denominators same



Divide top and bottom by 2
gallons