Respuesta :
doubles every 10 years
20 years, so it has doubled 2 times (10 times 2=20)
double twice means 2 times 2 or 4 times
1700 times 4=6800
it is worth $6800
20 years, so it has doubled 2 times (10 times 2=20)
double twice means 2 times 2 or 4 times
1700 times 4=6800
it is worth $6800