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Fynjy0 [20]
3 years ago
8

How do you fraction decimals and percents and all of that

Mathematics
1 answer:
Korvikt [17]3 years ago
3 0
From fraction to decimal:  divide the numerator by the denominator 

From decimal to percent: move the decimal two places to the right. For example: 0.062=6.2%

From percent to decimal: move the decimal point two steps to the left. For example: 56%=0.56

From decimal to fraction: Rewrite the decimal number number as a fraction (example: <span>2.625=<span>2.6251</span></span>) an then Multiply by 1 to eliminate 3 decimal places, we multiply numerator and denominator by 10 cubed = 1000<span><span><span>2.625/1</span>×<span>1000/1000</span>=<span>2625/1000 and don forget to reduce if possible;)

</span></span></span>
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Answer:

She would need 100 ml of the 8% solution

Step-by-step explanation:

You can always answer these questions using a proportion. The numerator will represent the amount of Minoxidil, and the denominator will represent the total amount of solution

She already ha 100 ml of a 4% solution. That means that she has 4 ml of Minoxidil already

\frac{4 + 0.08(S)}{100 + S} =\frac{6}{100}

We can multiply both sides by 100 for simplicity

\frac{400 + 8S}{100+S}=6\\ 400 + 8S =6(100 + S)\\400 + 8S = 600 + 6S\\2S = 200\\S = 100

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3 years ago
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<em>Well, Your answer will be is </em><em>D. 100 feet squared. </em><em>Because, </em>

<em>1. Multiply 10x6 and 10x4. </em>

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<em>2. Add 60 and 40, the results from the previous step. </em>

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<em>3. You get 100, or 100 feet squared. </em><em>Good Luck!</em>

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