A certain company has 80 employees who are engineers. In this company engineers constitute $40 %$ of its work force. How many people are employed in the company? [3 MARKS]

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Solution

Concept : 1 Mark
Application : 1 Mark
Calculatiom : 1 Mark

Let $x$ people be employed in the company.

Since $40 %$ of its work force are engineers.

$\Rightarrow$ $40 %$ of $x$ is equal to the total number of engineers.

$∴ \frac{40}{100} \times x = 80 \Rightarrow x = \frac{100}{40} \times 80 = 200$

Hence, 200 people are employed in the company.

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A certain company has 80 employees who are engineers. In this company engineers constitute 40% of its work force. How many people are employed in the company? [3 MARKS]

Concept : 1 Mark Application : 1 Mark Calculatiom : 1 Mark Let x people be employed in the company. Since 40% of its work force are engineers. ⇒ 40% of x is equal to the total number of engineers. ∴40100×x=80⇒x=10040×80=200 Hence, 200 people are employed in the company.

A certain company has 80 employees who are engineers. In this company engineers constitute $40 %$ of its work force. How many people are employed in the company? [3 MARKS]