I'll help you but I;m not just going to give you the answer
Answer:
We cannot solve without a value for x. The simplified form is 
Step-by-step explanation:
If the equation is
then we cannot solve it until we know the value of x. We can simplify it using order of operations such as PEMDAS.

Answer:
Step-by-step explanation:
If 65% equals 147
Then to maintain 70% there is a need for 5% more
<u>Which equals</u>
The height of the water tank is 6.
L x W x H = V (volume)
15 x 10 x 6 = 900 cubic feet