Chapter SR10, Problem 7P

Solution

To write the phrase “5 times a number” as an algebraic expression.

  $5x$

Given:

The phrase “5 times a number”.

Concept Used:

• The term more indicates the addition operation.
• The term less/reduced is used for subtraction.
• The term times indicates the product.
• The term quotient represents the division.

Calculation:

Let the number be x .

In order to write the algebraic expression for the given phrase, note that 5 is multiplied with the number x . So, the algebraic expression for the given phrase is given by $5\cdot x\text{ or }5x$ .

Thus, the algebraic expression for the given phrase is $5x$ .