Trying to study for a test for financial modeling course and im not understanding exactly where to start an excel sheet with formulas is recommended

1. If you wish to accumulate $140,000 in 13 years, how

much must you deposit today in an account that

pays an annual interest rate of 14%?

2. What will $247,000 grow to be in 9 years if it is invest

ed today in an account with

an annual interest rate

of 11%?

3. How many years will it take for $136,000 to grow to

be $468,000 if it is invested

in an account with an

annual interest rate of 8%?

4. At what annual interest rate must $137,000 be invested

so that it will grow to

be $475,000 in 14 years?

5. If you wish to accumulate $197,000 in 5 years, how mu

ch must you deposit today in an account that pays

a quoted annual interest rate of 13%

with semi-annual compounding of interest?