Question

the length of a rectangle is 3 times its width. write and evaluate an expression for the length of the rectangle. width = 1.3 in. length =? what is the length of the rectangle? in.

Explanation:

Step1: Write the expression

Let the width be \(w\). The length \(l\) is \(3\) times the width, so the expression is \(l = 3w\).

Step2: Substitute the value of width

Given \(w=1.3\) in. Substitute into the expression: \(l = 3\times1.3\).

Step3: Calculate the value

\(3\times1.3 = 3.9\).

Answer:

\(3.9\)