Question

A certain school has 120 teachers. If this constitutes 30% of its workforce, find the number of employees in the school.

Answer 1

Answer:

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Answer 2

MATHEMATICS

Answer:

No. of teachers in the school = 120

Percentage it constitutes of total work force = 30%*

Let the total work force = x

Given,

30% of x = 120

i.e. $\frac{30}{100}$ x $x$ = 120

x = 120 x 100/30 = 400

Therefore the total number of employees in the school is 400.

Facts

✔ Percentage helps us to find out the total number of any thing if provided with required quantities.

✔ Percentage is denoted as out of 100.

✔ It is denoted by the symbol %.

✔ While changing the division to multiplication symbol in fractions, make sure that we take the reciprocal of the fraction.

✔ From the above answer, we now know that the rest of the workforce (other than teachers) is 70% or 280 employees.