Question

in a computer lab there are 3 computers for every 6 students how many computers will be needed for 24 students​

Answer 1

Answer:

12 computers

Step-by-step explanation:

Given:

3 computers for 6 students

x computers for 24 students

This is a case of ratio and proportion.

We know that if a:b :: c:d

then a/b = c/d or ad = bc

In our problem:

a = 3; b = 6; c = x; d = 24

Accordingly,

3 * 24 = 6 * x

72 = 6x

6x = 72

x = 12

We will need 12 computers for 24 students.

Answer 2

Answer:

Using Unitary Method, we have

6 students require 3 computers

∴ 1 student will require = 36 computers

∴ 24 students will require = 36 x 24 computers

= 3 × 4 computers = 12 computers

Hence the number of computers required = 12.