6900 + 8100 = 15000
15000 divided by 2 = 7500
So your answer is 7500
Answer:
84
Step-by-step explanation:
A=bh/2.
A=(21*8)/2
A=168/2
A=84
Answer:
180 gallons
Step-by-step explanation:
200 gal
10% = .10
200 x .10 = 20
200 - 20 = 180
You need to divide 122 by 10, then you multiply your answer by 10 and see if you get 122. So 122 divided by 10 = 12.2, then 10 x 12.2= 122.
Answer: 3.3
Step-by-step explanation:
