1. How much final amount would Emmanuel receives if he invests P250,000 for 1 year and 6 months at 12% simple interest? 2. Your savings deposit of P7,000 earns a simple interest of 5%. How much is the...

1. How much final amount would Emmanuel receives if he invests P250,000 for 1 year and 6 months at 12% simple interest? 2. Your savings deposit of P7,000 earns a simple interest of 5%. How much is the interest for 9 months? 3. Brian borrowed from his friend, Mark, P9,000. He repaid the P9,600 after 15 months. What was the simple interest rate?