# The length of a rectangle is 5 m more than its width. If the area of the rectangle is 15 m2, what are the dimensions of the rectangle, to the nearest tenth of a metre?

##### 1 Answer

#### Explanation:

Let length be

Let width be

Let area be

Then

But in the question it states:

"The length of a rectangle is 5m more than its width"

So by substituting for

Written as:

We are told that

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Multiply out the bracket

Subtract 15 from both sides

Not that

So using the standardised formula:

A negative value is not logical so we use

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length