Question

Bret had a rectangular piece of plywood with dimensions x feet and 10 feet. He put a frame along 15 feet of the edge of the plywood.

An expression is shown below:

(2x + 20) - 15

Part A: What does the expression represent?

Part B: What does 2x + 20 represent?

Part C: What does 2x represent?

Answer 1

so 2x+20 is the perimeter

Answer 2

I know this is easy but I woke up not too long ago and I am having trouble thinking ...

Answer 3

Well I only need to know what to say for part A. I sort of know the answer I just want to write it in a way that makes sense.

Answer 4

so then the plywood has the lenght 10 feet and the frame has 15 so the from thhis you get what mean the first part A

Answer 5

@jigglypuff314

Answer 6

@amistre64

Answer 7

The expression represents the amount of plywood that Bret has minus the frame.
2x + 20 is the perimeter of the plywood
if x represents the width, 2x = the sum of the widths
if x represents the length 2x = the sum of the lengths

Answer 8

Just want to check the answer

Answer 9

I would say you are \(\normalsize\color{#22fb00}{correct}\)

Answer 10

ok thanks :)