help me this is due tomorrow

Answer:
Step-by-step explanation:
cut the wall into two parts, one rectangle, and on triangle. 3x2=6 m
3x1=3/2= 1.5 m
7.5 m x 39 in= 292.5 in
12 in=1 ft
292.5/12= 24.375 and one can of paint would be too little since he has the .375 of a foot left, which means he’ll have to buy at least 2