Question

In a primary school there shall be 3 teachers to 60 Students .If there are 400 students enrolled in the school , how many teachers should be there in the school in the same ratio?​

Answer 1

Step-by-step explanation:

answer -there are 400 teachers in ratio

Answer 2

Answer:

20

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Step-by-step explanation:

we can use the unitary method:

number of teachers : number of students

3 : 60

a : 400

here, a is the number of teachers there must be for 400 students.

and using the cross multiplication method, we have:

60a = 400 x 3

a = 400 x 3/60

a = 20x1/1

a = 20.

hence, there must be 20 teachers.