in a school the ratio of the number of pupils to the school of teachers is 20 ;1 if the number of pupils is 840 how many teachers are there?

Respuesta :

Answer:

42

Step-by-step explanation:

[840/20]*1=42

Answer:

the correct answer is that the will be 42 teachers

Step-by-step explanation:

1/20x840

=42

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