Question

1. After an earthquake in a city, 15% of the people were found missing, 25% critically injured, 20%
suffered minor injury, and 400 people had no injury.

(a) How many people were there in the city?

(b) How many people were missing?

(c) How many of them were critically injured?​

Answer 1

Step-by-step explanation:

b)1000×15/100=1500

a) 400=x%

x+25+20+15=100%

x=100-60=40%

so, total people=1000

c)25/100×1000=250