Question

The area of a rectangle is
99 m2
, and the length of the rectangle is
7 m
more than twice the width. Find the dimensions of the rectangle

Answer 1

write it systematically
you will get the answer

Answer 2

How do I write that?

Answer 3

so let the width be w

then the length = 2w + 7

so then you know

Area = w x (2w + 7)

using your area and distributing you get



so the quadratic for w.

Remember that measurements can only be positive, so only use the positive solution.

Hope it helps

Answer 4

So
w(2w+7)=99
w=?

Answer 5

Note that this can be put into the form of a quadratic equation, and that you can then use methods suitable for solving quadratic equations to solve this problem.