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受欢迎的 Word Problems >

3200 dollars is placed in an account with an annual interest rate of 8%. To the nearest tenth of a year, how long will it take for the account value to reach 9000 dollars?

解答

3200 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 8%. 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 9000 d o ll a rs ?

解答

Time : 22.66

求解步骤

Translate the problem into an equation:

9000 = 3200 (1 + 0.08 t)

求解

t, 9000 = 3200 (1 + 0.08 t) : t = 22.66

Time : 22.66

流行的例子

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