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Mathematics 20 Online
OpenStudy (anonymous):

Christine and Joe each opened a separate account with $2000. They were each offered a 7% interest rate for 2 years. After 2 years, Christine earned more than Joe. Why? will fan and medal

OpenStudy (knov):

are these all the illustrations ?

OpenStudy (anonymous):

Christine earned simple interest, and Joe earned compound interest. B. Christine earned compound interest, and Joe earned simple interest. C. Christine invested for a different amount of time than Joe. D. Christine had a different interest rate than Joe.

OpenStudy (anonymous):

i believe so yes

OpenStudy (anonymous):

and may you help me with like 4 more? \

OpenStudy (knov):

well, could be A and D

OpenStudy (knov):

k, then im gonna lay down.

OpenStudy (anonymous):

thx

OpenStudy (anonymous):

How much simple interest is earned on $1000 at 3% interest for 3 months? Give your answer in dollars and cents. Simple Interest I = p • r • t

OpenStudy (knov):

here p=1000$, r=0.03, t=1/4

OpenStudy (anonymous):

7.5?

OpenStudy (knov):

sorry, t=3

OpenStudy (anonymous):

so 90?

OpenStudy (knov):

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