3 years ago

How do you convert persentiges into decimals?

Mathematics

2 answers:

Nadya [2.5K]3 years ago

8 0

Percent means "per 100", so 50% means 50 per 100, or simply <span>50/100</span>

If you divide 50 by 100 you get 0.5 (a decimal number).

So, to convert from percent to decimal: divide by 100, and remove the "%" sign.

zvonat [6]3 years ago

6 0

You just Divide by 100

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two angles are supplementary one angle measures 75% more than twice the measure of the other what are the measurement of the two

valkas [14]

Let's call the angles x and y. We know that supplementary angles must add to 180 degrees, so x+y=180.

Furthermore, we know that x is 75% more than 2y. We can write "75% more than" numerically as 1.75, so x = 1.75(2y).

We can simplify the second equation by multiplying 1.75 and 2 together to get x = 3.5y.

Now we can solve the system of equations by substitution by plugging 3.5y in for x in x+y=180.

(3.5y) + y = 180

Combine like terms.

4.5y = 180

Divide by 4.5

y = 40

Plug y = 40 in and solve for x.

x + 40 = 180

x = 140

The answer is 40 and 140. Hope this helps :)

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3 years ago

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