Misha's test score decreased from 80% to 60%. what was the approximate percent decrease of misha's test score?

How do you convert 1.27 to a percentage

Jenny borrowed $500 for five years at 4 percent interest, compounded annually. what is the total amount she will have paid when she pays off the loan? total amount = p (1 + i)t a. $608.33 b. $729.99 c. $765.77 reset next

Ineed to know how to write question one in mathematical terms