• # question_answer2) In a computer lab, there are 3 computers for every 6 students. How many computers will be needed for 24 students?

Let $x$ computers be needed for 24 students. Then,       $3:x=6:24$ $\Rightarrow$               $\frac{3}{x}=\frac{6}{24}$ $\Rightarrow$               $6x=24\times 3$ $\Rightarrow$                               $6x=72$ $\Rightarrow$                               $x=\frac{72}{6}$ $\Rightarrow$                               $x=12$ Hence, 12 computers will be needed for 24 students. Aliter: $\because$     For every 6 students are there $=\text{3}$ computers $\therefore$  For 1 student is there $=\frac{3}{6}$ computer $\therefore$  For 24 students are there $=\frac{3}{6}\times 24$ computers = 12 computer Hence, 12 computers are needed for 24 students.

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