Question

There was 20 teachers for maths or English of them 8 teacher teach both maths and english. If 6 teacher maths only.How many teach physics?​

Answer 1

Answer:

No. of teachers - 20

No. of teacher that teacher both math and english - 8

No. of teacher that teach only math- 6

No. of teacher that teach physics - 8+6=14

20-14=6

Therefore there are 6 teachers that teach physics.

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