Leah invests $500 at interest of 12% per your compounded semi-annually

Question

T (months)=0,1,2,5,10,20,30

A ($)= 500,__,__,__,530.76,__,__

Answer 1

You wrote: 
Leah invests $500 at interest of 12% per your compounded semi-annually

 

but I believe that you intended:

Leah invests $500 at interest of 12% per year compounded semi-annually.

 

The monthly rate of interest is 1% and so the amount accumulated at the end of T months is given by

A(T) = 500(1.01)^T

 

Use your calculator to obtain the amounts A(T) for the various T values in the question.

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Leah invests $500 at interest of 12% per your compounded semi-annually

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Leah invests $500 at interest of 12% per your compounded semi-annually