Yes, sum means the answer to an addition problem. So the sum of 22 and 9 means 22+9. 22+9=31. I hope this helps :)
Answer:
71.915
Step-by-step explanation:
Answer:
At a rate of 5%.
Step-by-step explanation:
This is a simple interest problem.
The simple interest formula is given by:

In which E is the amount of interest earned, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.
In this question:
Payment plan for $1500 means that 
$450 interest after 6 years means that 
We have to find the rate I. So




At a rate of 5%.
It’s obvio that’s is 2:2 -2:2
The volume of the prism ... L x W x H ... is 0.04 of the volume of the tank.
If the prism is rectangular, then its width is (0.04 of the volume of the tank) divided by (L x H of the prism) .