the jump is 20
Step-by-step explanation:
because it is the difference
8175 because the 3 percent of 3 years is 675
Subtract the
terms from each other, then the
terms, then the ones without any
whatsoever.

First, we'll subtract
from 

Result: 
Next, we'll subtract
from 

Result: 
Finally, we'll subtract
from 

Result: 
Now, we can add these 3 results together.
First, we had
, then
, and finally
.
Thus, our subtraction of

equals

Answer:
M = 6.50n
Step-by-step explanation:
since it is per child, it will be multiplied by the amount of children, n. Therefore giving us the cost of M, or the equivalent.