
Lena S. answered 10/05/15
Tutor
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(85)
Violin and Piano Teacher
Use the formula A = P(1+r/n)nt. Where t is the number of years (20), P is the principal of 1600, r is the interest rate of 0.09, and n is the number of times a year the compounding occurs (2).
So calculate A =1600(1+0.09/2)2*20.