Javion opened a checking account by depositing $100. He then wrote 3 checks for 53 dollar's and deposited $17 more. What is the final balance of his checking account?

The final balance is 64

The initial balance was 100$

those who used the chwck withdrew 53$ from the account, so the balance became:

100-53=47$

Javion then deposited 17$ in the account, so the final balance is:

47+17=64$