5. How much was invested to earn P 2,550 at the end of 6 months invested at 8.6%? 6. At what rate will P40,000 earn P2,600 at the end of 120 days? 7. How long will it take P56,000 to earn P10,500 at 8.5%? 8. At what rate will P120,000 earn P7,500 at the end of 45 days? 9. How much was invested at 6.75% to earn P3,800 at the end of 150 days? 10. Find the interest and the amount on P75,000 at 12.5% for 3 yrs