How many years will the following take?

a. $510 to grow to $1,202.55 if invested at 10 percent compounded annually

b. $32 to grow to $54.98 if invested at 7 percent compounded annually

c. $105 to grow to $455.12 if invested at 13 percent compounded annually

d. $52 to grow to $65.80 if invested at 4 percent compounded annually

a. How many years will it take for $510 to grow to $1,202.55 if invested at 10 percent compounded annually?

_____ years. (Round to the nearest whole number.)

b. How many years will it take for $32 to grow to $54.98 if invested at 7 percent compounded annually?

_____ years. (Round to the nearest whole number.)

c. How many years will it take for $105 to grow to $455.12 if invested at 13 percent compounded annually?

_____ years. (Round to the nearest whole number.)

d. How many years will it take for $52 to grow to $65.80 if invested at 4 percent compounded annually?

_____ years. (Round to the nearest whole number.)