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Alexeev081 [22]
3 years ago
6

What is 8 increased by 25%?? If you can answer quicker, that would be awesome!! Have a great day!!

Mathematics
2 answers:
strojnjashka [21]3 years ago
6 0
We simply add 25% of 8 too 8 :P
doesn't makes sense?
its okay ill explain it you :)

First step we need to multiply 8 and 25%
of course 25% = 0.25 
soooo
8 x 0.25 = 2

Second step we add 2 and 8 
soooo
8 + 2 = 10 

So your final answer is 10
:P

ololo11 [35]3 years ago
3 0
In order to find what 8 is with a 25% increase
First lets find out what 25% of 8 is

So in order to find it we multiply 25% by 8 
to make things easier we change the 25% to a decimal
25% = 0.25 

Now we can multiply.
0.25 x 8 = 2 

So since this is a increase we take 8 and add our 25% 
25% of 8 = 2 
we want an extra 25% with 8
so we add!

8 + 2 = 10

Answer = with a 25% increase 8 becomes 10 

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3 0
3 years ago
Kenneth loaned $1,200 to his niece to buy a computer. Two years later, she paid him back the $1,200 along with an interest of $9
insens350 [35]

Answer:

<u>The  annual interest rate was 4%</u>

Step-by-step explanation:

1. Let's review the data given to us for solving the question:

Loan to Kenneth's niece to buy a computer = US$ 1,200

Duration of the loan = 2 years

Niece paid back to Kenneth = US$ 1,296

Annual interest rate = x%

2. Let's find the annual interest rate after 2 years, using the following formula:

FV = PV * (1 + x)

PV = Loan to Kenneth's niece to buy a computer = US$ 1,200

FV = Niece paid back to Kenneth = US$ 1,296

rate (r) = x

Replacing with the real values:

1,296 = 1,200 * (1 + x)

1.296/1.200 = (1 + x) (Dividing by 1,200 at both sides)

1.08 = 1 + x

1.08 - 1 = x (Subtracting 1 at both sides)

<u>0.08 = x</u>

This is the interest rate for two years, for finding the annual interest rate we divide it by 2, this way:

<u>0.08 / 2 = 0.04 * 100 = 4%</u>

7 0
3 years ago
Half a number plus 2.5 times that number equals 18. What is the number?
Sholpan [36]

Answer:

It's 6.

Step-by-step explanation:

this was so confusing

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3 years ago
How do you do this need help
irakobra [83]
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3 years ago
I am not sure of the answers​
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7 0
3 years ago
Read 2 more answers
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