Answer:
Gareth should make 18 ATM withdrawals every year for better deal.
Step-by-step explanation:
Consider the provided information.
Gareth has $2,000 to invest and local bank will earn him 2.2% annual interest.
The amount earned by local bank is:
The money in an online savings account will earn him 4.85% annual interest, but he will be charged $3 every time he makes an ATM withdrawal.
The amount earned by online account
Savings account has no ATM withdrawal charges but online savings account charge $3.00 per withdrawal.
Let x is the number of times he withdrawal money.
Hence, Gareth should make 18 ATM withdrawals every year for better deal.