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Phổ biến Word Problems >

8400 dollars is placed in an account with an annual interest rate of 6.75%. To the nearest year, how long will it take for the account value to reach 27200 dollars?

Lời Giải

8400 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 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 27200 d o ll a rs ?

Lời Giải

Time : 33.16

Các bước giải pháp

Translate the problem into an equation:

27200 = 8400 (1 + 0.0675 t)

Giải

t, 27200 = 8400 (1 + 0.0675 t) : t = 33.16

Time : 33.16

Ví dụ phổ biến

A father is 10 times as old as his son. In 5 years the father will be 5 times as old as his son. How old is the father now and old is the son now?Kate has 70, 000 in a savings account that earns 8% interest per year.The interest is not compounded.How much interest will she earn in 1 years?3.Michael invests 440 for 8 years at a rate of 5.8%pa compounding annually. What is the total value of the investment?0.2 of what number is 8 35 is 87.5% of what number