Question

In a survey, 50% like tea, 70% like coffee, 10% do not like both and 120 people like both. find the total no. of students (in numbers)

Answer 1

Answer:

50-x + 70-x + x + 10 = 100, 130-x = 100, -x = -30, X = 30%,

120/30% = 400, 50%(T)-30%(B)=20%(TO) or 80, 70%-30%=40% or 160, 30% or 120, and 10% or 40

80+160+120+40=400

Answer 2

Answer:

400 is write answer

Step-by-step explanation:

I hope this is helpful for you