Question

Tanner has invested $500 for college. What rate of retum must tanner earn for his investment to dubble in six years

Answer 1

12.24% Interest a year

Step-by-step explanation:

You can write this as an equation,
500 * x^6 = 1000

then you rearrange to find x which would be 1.1224 then multiply by 100 to get the percentage

which is 12.24%