17) TRINITI HAS $500 IN A SAVINGS ACCOUNT
AT THE BEGINNING OF THE SUMMER. SHE WANTS
TO HAVE AT LEAST $200 IN THE ACCOUNT
BY THE END OF THE SUMMER. SHE WITHDRAWS
$25 EACH WEEK FOR FOOD, CLOTHES, AND MOVIE
TICKETS. HOW MANY WEEKS CAN SHE WITHDRAW
MONEY FORM HER ACCOUNT?