Question

If investments double every 7 years and you start will a $600 investment, how much money would you have after 21 years?

Answer 1

$4,800

Explanation:

21 / 7 = 3

So the investment will double 3 times

600 * 2 = 1200

12000 * 2 = 2400

2400 * 2 = 4800

$4,800