In Polva's 4-Step Approach to problem solving, this step refers on how we are going to treat the problem. A. Insight B. Understand the Problem C. Thinking time D. Look Back Mr. Paul Lopez borrowed Pzoo,ooo from his company. If he paid an interest of P37,500 for one and a half year, what is the rate of interest? A. 12.5 % B. 1.25% C. 0.0125% D. 0.125% At what simple interest rate was $14,500 invested if it earned an interest of $1,363 just after 2 years? A. 4.6% B. 4-7% C. 5-3% D. 7.1% At what rate P45,000 must be invested in order to have P46,800 in 6 months? A. 0.8% B. 8% C. 0.08% d. 80% Determine the measurement of each interior angle of a regular polygon that has 17 sides. a. 158.83 b. 2700 C. 7200 d. 157.82