# rectangle word problem

the length of a rectangle is 5 more than the width and the area is 24. Find the length and the width.

The formula of the area of a rectangle is

A = L * w

Translate the phrase " the length of a rectangle is 5 more than the width" into an equation

We get: L = w + 5

Replace A by 24 and replace L by w + 5

24 = (w + 5)* w

24 = w^2 + 5w

24 - 24 = w^2 + 5w - 24

0 = w^2 + 5w - 24

Factor the expression on the right

0 = ( w + blank)* ( w + blank)

To get blank, look for factors of -24 that will add up to 5.

8 * -3 = -24 and 8 + -3 = 5

So fill in the blank with 8 and -3

0 = (w + 8) *( w + -3)

Now solve the above

w + 8 = 0

w + -3 = 0

w + 8 = 0

w + 8 - 8 = 0- 8

w = -8. The answer cannot be negative

w + -3 = 0

w + -3 + 3 = 0 + 3

w = 3

L = w + 5 = 3 + 5 = 8

### Comments for rectangle word problem

Average Rating

 May 06, 2015 Rating Amit Mishra by: Anonymous Really an awesome blog post related to mathematics and its parameters to solve. That can help Every student.

 May 02, 2015 Rating rectangle word problem by: Amy Nicole Formulas are my weak point, especially when areas and perimeters are involved. I was looking for the same type of problem sum in which area is given and length is to be found.

 Apr 29, 2015 Rating by: Anonymous Really an awesome blog post related to mathematics and its parameters to solve. That can help Every students.

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