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人気のある Word Problems >

5400 dollars is placed in an account with an annual interest rate of 6.75% To the nearest tenth of a year, how long will it take for the account value to reach 11200 dollars?

解

5400 d o ll a rs i s pl a ce d in an a cco u n t w i t h an ann u a l in t eres t r a t e o f 6.75% T o t h e n e a res t t e n t h o f a ye a r, h o w l o n g w i ll i t t ak e f or t h e a cco u n t v a l u e t o re a c h 11200 d o ll a rs ?

解

Time : 15.91

解答ステップ

Translate the problem into an equation:

11200 = 5400 (1 + 0.0675 t)

t

を解く

11200 = 5400 (1 + 0.0675 t) : t = 15.91

Time : 15.91

人気の例

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