Maths-

General

Easy

Question

# Casey opened a saving account with a 50 deposit. For every month after the first month she deposits 25. Write an explicit rule to represent the amount of money being deposited in her account. How much money will Casey have in her account after 24 months?

Hint:

- A sequence is said to be arithmetic if the common difference is always constant.
- The General formula of any AP is .

## The correct answer is: a_n=625.

### Explanation:

- We have given Casey opened a saving account with $50 deposit. For every month after the first month she deposits $25.
- We have to find the explicit rule to represent the amount of money and total amount after 24 months.

Step 1 of 2:

In the first month $50 deposited and after that every month $25 will deposits.

So, This will form an AP.

So, The explicit form will be

Step 2 of 2:

After 24 months the amount will be

Step 2 of 2:

After 24 months the amount will be

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