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Doss [256]
3 years ago
13

If an interest is $57.75, the principal $550, and the time 3 years, what is the interest rate

Mathematics
1 answer:
MaRussiya [10]3 years ago
4 0
Interest rate = I * 100 / P * R
r = 57.75 * 100 / 550 * 3
r = 5775 / 1650
r = 3.5

So, your final answer is 3.5%

Hope this helps!
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PLEASE HELP!!! WILL MARK BRAINLIEST IF RIGHT!!
AfilCa [17]

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Step-by-step explanation:


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3 years ago
A store advertises 15% off an item that regularly sells for $300.
nataly862011 [7]

Answer:

The sale price of the item is  $ 255

Step-by-step explanation:

To determine the amount of discount ( d ) offered by the store, we calculate  

15 %  of the sale price. Thus:

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Hope this helps you! If not sorry!

8 0
2 years ago
Find the repayment $5000 loaned for 4 years at 6% interest p.a What is the total amount What will be the monthly repayments?
Stella [2.4K]

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Reduce then calculate 7/8 x 4/15 x 3/7 = ? <br><br> Can you help?
Zepler [3.9K]

since this is a multiplication, all the numerators are just factors of the product numerator and all denominators are just factors of the product denominator, so we can simply reorder them some, without changing the product.


\bf \cfrac{7}{8}\times \cfrac{4}{15}\times \cfrac{3}{7}\implies \cfrac{7}{7}\times \cfrac{4}{8}\times \cfrac{3}{15}\implies \cfrac{1}{1}\times \cfrac{1}{2}\times \cfrac{1}{5}\implies \cfrac{1\cdot 1\cdot 1}{1\cdot 2\cdot 5}\implies \cfrac{1}{10}

8 0
3 years ago
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