Translate the following into a quadratic equation, and solve it:
The length of a rectangular garden is three times its width; if the area of the garden is 75 square meters, what are its dimensions?
Translate the following into a quadratic equation, and solve it:
The length of a rectangular garden is three times its width; if the area of the garden is 75 square meters, what are its dimensions?
You are supposed to know that the area of a rectangle is calculated by:
You know that . Plug in this term instead of l into the formula and you get:
. Therefore:
So the dimensions of the rectangle are l = 15 and w = 5