Question

A school has 100 pupils
73 know English
46 know French
32 know English and French

a) How many pupil knows at least one language
b) As students do not know any language

Answer 1

This is simple math. If you are struggling on this, you need a tutor.

Answer 2

If there are 100 students, and you want to know how many people only speak one language, add the number of people who know english and the people who know french, and then subtract the amount of people that know both.

Answer 3

let pupils know eng = A
let pupils know french =B

Answer 4

A = 73
B = 46

Answer 5

A and B = 32

Answer 6

A and B + A or B = A + B

Answer 7

A= 73
B= 46