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shepuryov [24]
3 years ago
12

There are 500 people in a building. 20% of half of them went out. 15% of those who went out came back in. How many people are in

the building now?
Mathematics
2 answers:
Setler79 [48]3 years ago
5 0

Answer:

415people

Step-by-step explanation:

20%of250=100people

15%of the 100people=15people

So 100 went out remaining(500-100)400

Then 15 returned=400+15

<u>4</u><u>1</u><u>5</u>

Vaselesa [24]3 years ago
4 0

Answer:

<em>458</em><em> people in the building now. </em>

Step-by-step explanation:

20%x500/2 = 20% x 250=50

15% x 50 = 7.5

7.5 + (500 - 50) =457.5 =458people.

Tell me if it's correct plz.

Hope this helps..

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