If $200 is invested at 3.5% simple interest for 6 years, what will be the total amount of money in the investment account at the end of the 6 years?
A=P+Prt A=200+200*0.035*6 A=200+200*0.21 A=200+42 A=242 So if you invest $200 at an interest rate of 3.5%, you'll have $242 in the account after 6 years.
A member of a credit union was loaned $2600 to pay for car repairs. The loan was made for 4 years at a simple interest rate of 5.5%. Find the interest due on the loan.
Interest = Principal * Rate * Time I = Prt I = 2600*0.055*4 I = 572 So the interest due is $572
I=Prt = 2600*0.055*4=572
total amount =3172
If $490 is invested in an account that earns 8%, compounded annually, what will the account balance be after 5 years? (Round your answer to the nearest cent.)
A=P(1+r/n)^(n*t) A=490(1+0.08/1)^(1*5) A=490(1+0.08)^(1*5) A=490(1.08)^(1*5) A=490(1.08)^(5) A=490(1.4693280768) A=719.970757632 A=719.97 So the account will balance after 5 years will be $719.97
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