Question

in a school there are 20 teachers who teach Mathametices or physics of thses 12 teach Mathametices ans 4 teach both physicas And Mathametices.how many teach physics​

Answer 1

20 + 12 = 32

32 + ( 4 × 2 )

32 + 8

40

Answer 2

Answer:

8 teach physic

because 4 teach both physics and maths and remaining 4 also tech physics because 12 teach maths

12 maths teacher

4 physics teacher and

4 both physics and maths teacher

hope it helps you

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