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

Question

3 years ago

12

the building now?

2 answers:

Setler79 [48] · Answer 1 · 2022-08-16T02:02:50+03:00

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

415

Vaselesa [24] · Answer 2 · 2022-08-16T03:09:59+03:00

4 0

Answer:

458 people in the building now. 

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..