Question

Gavin and Stacey each did a survey.

Answer 1

a) 30 people , b) C

Explanation:

for a), 40 % answered yes. so 60% answered no.

But 20 people answered yes so 20/x = 0.4 which gives, x = 20/0.4

so x = total number of people = 50

the rest answered no so 50 - 20 = y

30 people answered no

b) C is the correct chart