Question

A survey was conducted to find out the favorite drinks preferred by a certain group f young people. If 45 people like tea, how many people like coffee?

Answer 1

The answer is 90 people which is given in the image

Answer 2

Answer:

90

Step-by-step explanation:

let, n(U)=x

     n(T)=45

  or, 15% of x=45

  or, 15/100×x=45

  or, 0.15x=45

  or, x=45/0.15

  or, x=300

so, n(U)=300

    n(C)=30% of x

          =30/100×300

           =90