Brooke has two credit cards. The first credit card has a credit limit of $28,500, and Brooke has $18,750 of debt on that card. The second credit card has a credit limit of $19,500, and Brooke has $0 of debt on that card. 3. What is Brooke's debt to credit ratio? (1 point) 4. Brooke realizes that she never uses her second credit card. She decides to close that line of credit. What is Brooke's new debt to credit ratio? (1 point)