Marco deposited $500 in a savings account earning 4% interest over 5 years.
What was the total amount of interest earned at the end of 5 years?
A.
$40
B.
$50
C.
$100
D.
$200
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OpenStudy (anonymous):
4% interest mean that they have added 4% of 500 to the 500 you have.
OpenStudy (anonymous):
4% of 500 is 500 times .04.
OpenStudy (anonymous):
so you will take 500*.04 and then times it by 5 (5 years) and that will be your answer :)
OpenStudy (anonymous):
200
OpenStudy (anonymous):
nope,
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OpenStudy (anonymous):
umm y i did 500 times 0.4
OpenStudy (anonymous):
500 times .04 is 20
OpenStudy (anonymous):
no worries :) .4 is 40%. 4% is .04
OpenStudy (anonymous):
thats not an answer
OpenStudy (anonymous):
you have to times it by 5
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OpenStudy (anonymous):
ohh 100
OpenStudy (anonymous):
good job
OpenStudy (anonymous):
:)
OpenStudy (anonymous):
Mary borrowed $11,000 at 5% interest for 4 years.
What was the total interest?
A.
$22
B.
$220
C.
$2,200
D.
$22,000
OpenStudy (anonymous):
im going to work this one out see if i get it right okay
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OpenStudy (anonymous):
:) way to go
OpenStudy (anonymous):
22,000
OpenStudy (anonymous):
hmmm..did you do .5 instead of .05?
OpenStudy (anonymous):
nope
OpenStudy (anonymous):
okay when i do 11,000 times 0.5 i get 55,000
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OpenStudy (anonymous):
11,000 times 5 is 55,000
OpenStudy (anonymous):
ether way i get the same answer
OpenStudy (anonymous):
11,000 times .05 is 550
OpenStudy (anonymous):
and then you'll do 550 times 4..do you follow that?
OpenStudy (anonymous):
okay i see what i did but i still get 22,000
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OpenStudy (anonymous):
220
OpenStudy (anonymous):
nope :)
11,000 at 5% for 4 years
means
11,000 times .05 times 4
and that is $2200 interest