John's grocery bill totaled $200. After he used his coupons, the cash register showed the total bill as $20. Which statement is true?
O The grocery bill before the coupons were used was 10 times as much as the bill after the coupons were used.
O The grocery bill after the coupons were used was 10 times as much as the bill before the coupons were used.
O The grocery bill before the coupons were used was 100 times as much as the bill after the coupons were used.
O The grocery bill after the coupons were used was 100 times as much as the bill before the coupons were used.