# annual interest mathWatch

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#1
im not being able to solve this
0
4 weeks ago
#2
(Original post by Ailurophile03)
im not being able to solve this
Which one, and what have you tried?
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4 weeks ago
#3
(Original post by mqb2766)
Which one, and what have you tried?
Was in the middle of composing a reply when you posted - so I'll leave it up to you.

Note: From the answers given, looks to be simple, rather than compound, interest.
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4 weeks ago
#4
(Original post by ghostwalker)
Was in the middle of composing a reply when you posted - so I'll leave it up to you.

Note: From the answers given, looks to be simple, rather than compound, interest.
I guessed that it wasn't compound :-)
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#5
(Original post by ghostwalker)
Was in the middle of composing a reply when you posted - so I'll leave it up to you.

Note: From the answers given, looks to be simple, rather than compound, interest.
how did you understand?
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#6
(Original post by mqb2766)
Which one, and what have you tried?
the first one, im kinda lost here, i was trying to find the 100 percent of it and add (700x3)
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4 weeks ago
#7
(Original post by Ailurophile03)
how did you understand?
I worked it out via compound and then via simple and there's no answer to match the compound value.
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#8
(Original post by ghostwalker)
I worked it out via compound and then via simple and there's no answer to match the compound value.
do u know how i can do this without a calculator within less thn a min
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4 weeks ago
#9
(Original post by Ailurophile03)
do u know how i can do this without a calculator within less thn a min
If it's 7% annual, then what percentage is it in 3 months? That equates to 700 euros. And take it from there.
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4 weeks ago
#10
(Original post by Ailurophile03)
do u know how i can do this without a calculator within less thn a min
What value would give 700 interest in 1 year at 7%?
Then multiply by 4 for the 3 months out of 12.

There are obviously several equivalent ways to solve the problem.
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