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OpenStudy (anonymous):
ok
rebeccaxhawaii (rebeccaxhawaii):
POST
OpenStudy (anonymous):
What is your question
OpenStudy (thecuteone25):
With a principal investment of $25,000, which account will have the greatest value after years?
simple interest: I = P • r • t
interest compounded annually is A = P (1 + r)t
interest compounded quarterly: A = P (1 + )4t
A.
2.6% with interest compounded quarterly
B.
3.2% in a simple interest account
C.
2.9% with interest compounded annually
D.
2.3% in a simple interest account
OpenStudy (thecuteone25):
\[A=P(1+r/4)4^t\]
this is the formula for the third on
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OpenStudy (twistrose):
after how many years
OpenStudy (thecuteone25):
6.5
OpenStudy (thecuteone25):
@jhonyy9
jhonyy9 (jhonyy9):
so i think you have missed samthing inside parentheses in second case - check it please
OpenStudy (thecuteone25):
no I didn't it r means rate so (1+r)
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jhonyy9 (jhonyy9):
ok
jhonyy9 (jhonyy9):
simple interest: I = P • r • t
interest compounded annually is A = P (1 + r)t
interest compounded quarterly: A = P (1 + )4t
1. I = Prt
2. A = Pt +Prt
3. A = P4t +Pr4t than this will be = P4t +Pr4t/4 = P4t +Prt
4. A=P(1+r/4)4t
do you se it now what will be bigger sure ?
jhonyy9 (jhonyy9):
you see - sorry
jhonyy9 (jhonyy9):
first just Prt
second Prt + Pt
3rd Prt + 4Pt
so what will be greater ,bigger from these ?
OpenStudy (thecuteone25):
yea I see
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OpenStudy (thecuteone25):
ok well nvm then thanks though
jhonyy9 (jhonyy9):
was my pleasure and than you like anytime when i am here online
good luck
bye