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人気のある Word Problems >

9700 dollars is placed in an account with an annual interest rate of 6.25%. To the nearest tenth of a year, how long will it take for the account value to reach 51700 dollars?

解

9700 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 6.25%. 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 51700 d o ll a rs ?

解

Time : 69.28

解答ステップ

Translate the problem into an equation:

51700 = 9700 (1 + 0.0625 t)

t

を解く

51700 = 9700 (1 + 0.0625 t) : t = 69.28

Time : 69.28

人気の例

The Hendersons are saving up to go on a family vacation in 2 years. They invest \3100 into an account with an annual interest rate of 1.13 % compounded annually. How much interest is earned on the Hendersons' investment after 2 years?The sum of 3 consecutive integers is 207.36 is 75% of what number Find two consecutive whole numbers that sqrt(38) lies between.An account is opened with an initial deposit of 700 and earns 3.3% interest compounded semi-annually.What will the account be worth in 3 years?