Answer:
Step-by-step explanation:
1/4
Justin need 1
Step-by-step explanation:He needs 1 because if he uses 3/4 of a galllon on 3/4 of a wall if your adding another part in this is 1/4 you add that to both so its 1 hope i could hellp!
BC 1
AC 2
AABC 3
BC=16
AC = 15
AABC= 15