SOLUTION: how long will it take your php 16,000 to be double if invest at 8% simple interest

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Question 1188423: how long will it take your php 16,000 to be double if invest at 8% simple interest
Answer by ikleyn(52797)   (Show Source): You can put this solution on YOUR website!
.

Write equation as you read the problem


    32000 = 16000 + 16000*0.08*t,


where t is the time (in years).  From the equation


    32000 - 16000 = 16000*0.08*t

        16000 = 16000*0.08*t

        1     =       0.08*t

        t     =       1/0.08 = 12.5.


ANSWER.  In 12.5 years.

Solved.



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