Question

There are number of students in a class with each students having half of the number of books as the number of students in the class. if the total number of books is 72,then how many students are in the class class.
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Answer 1

There are 12 students in the class.

• An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation. A linear equation with one variable has the conventional form Ax + B = 0. In this case, the variables x and A are variables, while B is a constant. A linear equation with two variables has the conventional form Ax + By = C. Here, the variables x and y, the coefficients A and B, and the constant C are all present.
• Each term in a linear equation has an exponent of 1, and when this algebraic equation is graphed, it always produces a straight line. It is called a "linear equation" for this reason.
• Both linear equations with one variable and those with two variables exist.

Here, let the number of students in the class be x.

Each student has $\frac{x}{2}$ number of books.

Then, $\frac{x}{y} .x=72$

Or, x² = 144

Or x = 12.

Hence, there are 12 students in the class.

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