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MAVERICK [17]
3 years ago
9

What is 25% out of 120

Mathematics
2 answers:
erastova [34]3 years ago
6 0
I think the answer is 30
Rina8888 [55]3 years ago
5 0

I assume, that the number 120 is 100% - because it's the output value of the task.

If 120 is 100%, so we can write it down as 120=100%.

We know, that x is 25% of the output value, so we can write it down as x=25%.

<em>Now we have two equations:</em>

<em>1) 120=100% </em>

<em>2) x=25%</em>

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

<em>120/x=100%/25%</em>

<em>Solution for what is 25% of 120:</em>

<em>120/x=100/25 </em>

<em>(120/x)*x=(100/25)*x   - we multiply both sides of the equation by x </em>

<em>120=4*x   - we divide both sides of the equation by (4) to get x </em>

<em>120/4=x  </em>

<em>30=x  </em>

<em>x=30</em>

<em>The answer is: 25% of 120=30</em>

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