Answer:
60
Step-by-step explanation:
5 ( 9 + d )
Let d=3 and substitute it in
5(9+3)
According to PEMDAS, we do what is in the parentheses first
5(12)
Now we multiply.
60
5×3=15 because 5 plus five plus five equals 15 if you add it together correctly
Find how many cubic feet
cubic feet=length times width times height for rectangle prism
volume=30 times 20 times 5=3000 cubic feet
7.5 per 1 cubic feet
times 3000
22500 gallons
