The difference of r and 7 divided by the
sum of 6 and

(r-7) ÷ (6+?)

Step-by-step explanation:

I don't know what the last number is

%40

step-by-step explanation:

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of