Could someone please help me on this math problem??

Alguien me puede ayudar a resolver este problema porfavor??

Tina wants to save money for school. Tina invests $400 in an account that pays an interest rate of 8%
How many years will it take for the account to reach $5,500?

Question

Could someone please help me on this math problem??

Alguien me puede ayudar a resolver este problema porfavor?? 

 Tina wants to save money for school. Tina invests $400 in an account that pays an interest rate of 8%
How many years will it take for the account to reach $5,500?

anonymous · Answer

it was incorrect but thank you for the help(: @AmandaLockhart

anonymous · Answer

its okay at least you tried (: @AmandaLockhart

anonymous · Answer

@livias.random

anonymous · Answer

Try$$FinalAmount=\frac{ PrincipalAmount*Time(years)*Interest }{ 100 }=$$
$$Time=\frac{ 100FinalAmount }{ PrincipalAmount*Interest }=\frac{ 100*5500 }{ 400*8 }=172years$$

anonymous · Answer

Thank you so much!! @Hoslos

anonymous · Answer

No problem.