00:01
So in this question we are given a rectangular photo and the perimeter is known information.
00:08
It's 292 inches and the perimeter is the distance on the outside of the photo, the distance added up around.
00:17
So we want to find the dimensions, meaning we want to know the height and we want to know the width.
00:22
We're given some more information that 3h plus 2 represents our width here, our width and the height is represented by h.
00:32
So in order to come up with this mathematical equation to represent our height, we can say that 3h plus 2 plus will 3h plus 2 again, which would represent this side of the rectangle.
00:52
So so far i have added up both of those side lengths of the rectangle.
00:57
Then i'll add h plus h again.
01:02
So now i've represented.
01:04
This side and this side of the right angle.
01:08
Well, to make an equation, we could say that that is equal to 292 inches.
01:14
You see all of the side lengths added up, equal the perimeter.
01:18
So 3h plus 2 plus 3h plus 2 plus h plus h has to equal to 292.
01:25
From here i combine my like terms.
01:27
So my like terms involve 3h, 3h, h and h...