Math

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***

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  1. Interest = Principle x rate x time
    so in a) I = 400 x .05 x 1
    I = $20

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  2. in #1 your answer of $200 would have been 50%

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  3. Thanks! and did you choose that screen name because it national pie day?

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  4. #2 is correct.
    You check the rest : )

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  5. OK thank you!

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  6. Happy Pi Day : )
    My favourite digits (memorized) are...
    3.14159265358979323846264338327...

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  7. you memorized those?!

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  8. yep that the pi number XD

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  9. Number 3 and 4 are wrong. I just took the test, and I got a 3 out of 5. question 3 is A and question 4 is D.

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  10. no number 4 is B

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  11. B
    A
    A
    B
    D
    I got a 3/5 (60%) when I listened to them, but these were the real answers.

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  12. thanks jack I got a 100%

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  13. Jack Is Correct

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  14. jack the last one is c not do I got and 80

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  15. The answers are
    1.B
    2.A
    3.A
    4.B
    5.C

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  16. B
    A
    A
    B
    D

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  17. Tyyyyy sooo much

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  18. The still work

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  19. name 1b 2a 3a 4b 5d

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  20. Here are the exact answers:

    1. B - $20
    2. A - $255
    3. A - $9
    4. B - $600
    5. D - $1,227

    There you go! :)

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  21. @Connexus Student is completely right guys, thank you, @Connexus Student! 100%

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  22. JACK IS RIGHT THE VERY TIP TOP IS FING TRASHHH

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  23. as of march 16th 2021 for connections academy
    answers for "Quick Check: Simple Interest" are

    B
    A
    A
    B
    C

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  24. the last one is d
    B
    A
    A
    B
    D

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