Respuesta :

angelicsoul

Answer: in 20 years

Step-by-step explanation:

Every 5 years, the value is doubled

In five years:

$100 + $100 = 200

In ten years:

$200 + $200 = $400

In 15 years:

$400 + $400 = $800

In 20 years:

$800 + $800 = $1600