1. If one wishes to accumulate a 30,000-fund in 5 years, how much should he deposit now at 18% compounded quarterly?
2. If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years
3. Suppose that a particular radioactive substance has a half-life of 25 years. Starting with 100 grams of the substance, how many grams of the substance would remain after 15 years?
2 answers
Q2)25836.02212
#1 solve for x in
x(1+.18/4)^(4*5) = 30000
#2 again,
x(1+.045/2)^(2*15) = 50000
#3
100*(1/2)^(15/25)
x(1+.18/4)^(4*5) = 30000
#2 again,
x(1+.045/2)^(2*15) = 50000
#3
100*(1/2)^(15/25)
1 answer