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arlik [135]
3 years ago
9

What is the solution to the following system of equations?

Mathematics
1 answer:
Delicious77 [7]3 years ago
4 0
<span>x+y=5
x-y=1
-------------add
2x = 6
x = 3

</span>x+y=5
3+y=5
y = 2

solution
(3,2)

answer is <span>c. (3, 2)</span>
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Step-by-step explanation:

x=54

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Answer:

The total workers are<u> 2400.</u>

Step-by-step explanation:

Given:

In company 80% of the workers are women.

480 workers are men.

Now, to find the total workers in all.

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If women are 80%, then men would be 100-80 = 20%.

Let the total workers be x.

According to question:

20\%\ of \ x=480

⇒\frac{20}{100} \times x=480

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⇒0.20x=480

Dividing both sides by 0.20 we get:

⇒x=2400.

Total workers = 2400.

<em><u>Now, in second way</u></em>.

Again, let the total workers be  x.

According to question:

x-80\%\ of\ x=480

⇒x-\frac{80}{100}\times x=480

<em>On solving:</em>

⇒x-0.80x=480

⇒0.20x=480

<em>Dividing both sides by 0.20 we get:</em>

⇒x=2400.

<em>Total workers = 2400.</em>

Therefore, the total workers are <u>2400</u>.

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