Question

One third of the total number of students in a class are in Chemistry laboratory, 16 are in Physics laboratory and 12 are in Mathematics lab. How many students are there in the class?​

Answer 1

Answer:

Step-by-step explanation:

Hey.

Here is the answer.

let total no. of students be x

A/q

x/3 + x/4 + x/6 + 12 = x

or, (4x+3x+2x +144)/12 =x

or, 9x+144=12x

or, 12x-9x=144

or, 3x =144

so, x=144/3=48

So, there are 48 students in the class.

Thanks.