Question

1. If 1200 we surveyed, how many of them were below the age of 18? Show your work

Answer 1

Total no. of people surveyed = 1200
percentage of people below 18 that uses FB = 10%
no. of people below 18 that use FB = 10% of 1200
= (10/100)×1200
= 10 × 12
= 120