Mrs. May deposits RM20000 into a fixed deposits account with a compound interest every 4 months and interest of 5% per annum. What is the amount of her saving on the fifth year?? HELP FOR MY EXAM SAKE

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.