1. How many years will it take for $480 to grow to $1,061.07 if it's invested at 7 percent compounded annually?

The number of years it will take for $480 to grow to $1,061.07 at 7 percent compounded annually is ___ years?

2. At what annual interest rate, compounded annually, would $520 have to be invested for it to grow to $2,008.76 in 10 years?

The annual interest rate, compounded annually, at which $520 must be invested for it to grow to $2008.76 in 10 years is ___%