Question
Solve 30 x < 200 when x is a natural number.

Answer

We are given 30 x < 200
or $\frac{30 x}{30}<\frac{200}{30}$
i.e., x < 20 / 3.
x < 6.66 for x $\in$R
When x $\in$ Natural number,
In this case, the following values of x make the statement true.
1, 2, 3, 4, 5, 6.
The solution set of the given linear inequality is {1, 2, 3, 4, 5, 6}.

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