Answer:
Step-by-step explanation:
Answer:
Step-by-step explanation:$30 per month, $0.20 per text
A: 50 text messages in order for both plans to cost the same
The answer would be multiplication and subtraction
Answer:
D. A(n) = P + (n-1)i*P
Step-by-step explanation:
The formula to calculate the simple interest is:

Replace i by
, then
SI = Pni
where n is the number of years.
So, for n-1 years, the simple interest is:
SI = P(n-1)*i
The Total amount is:
A(n) = P + (n-1)i*P