answer the ff. it is compond interest. just answer and solution

6. What amount be placed in the bank at 9% compounded quarterly will become Php 14,500 for 3 years and 9 months. 7. If the money is invested at 7% compounded quarterly, nd a} compound amount b) compound interest, if the money invested was Php 25,000 for 4 years. 8. If the money is invested at 7% compounded semi annually, find a) compound amount b} compound interest, ifthe money invested was Php 15,000 for 3 years 9. At what rate nominal rate, compounded monthly, will Php 8,200 amount to Php 12,000 at the end of4 years & 4 months. 10. Find the nominal rate, compounded monthly, at which Php 6,500 accumulate to Php 15,000 at the end of 3 years 8. 3 months 1.4 - Compound Interest