Find the interest rate. All rates are annual interest rates.
1. Principle $400
rate 5%
time 1 year
A. $10
B. $20
C. $40
D. $200***
2. Principle $1000
rate 8.5%
time 3 year
A. 255***
B. 170
C. 22.5
D. 17
3. Principle $200
rate 9%
time 1/2 year
A. 9
B. 18***
C. 36
D. 45
4. Principle $20,000
rate 12%
time 3 months
A. 240
B. 600
C. 800
D. 7,200***
5. you borrow $1,200 at a rate of 4.5% for a period of 6 months. How much will you have to repay at the end of 6 months?
A. 27
B. 54
C. 1,173
D. 1,227***
B
A
A
B
D
I got a 3/5 (60%) when I listened to them, but these were the real answers.
Here are the exact answers:
1. B - $20
2. A - $255
3. A - $9
4. B - $600
5. D - $1,227
There you go! :)
Interest = Principle x rate x time
so in a) I = 400 x .05 x 1
I = $20
B
A
A
B
D
in #1 your answer of $200 would have been 50%
the last one is d
B
A
A
B
D
Thanks! and did you choose that screen name because it national pie day?
#2 is correct.
You check the rest : )