340 × .2 = 68
68 page decrease
340 - 68 = 272
272 pages left
This is not a function. There are multiple outputs for the same input at
. A function only has 1 output for every input.
convert 1/2 to 2/4 <<<<< that is the amount the brothers ate
We will have the following:
First, we are given the following expressions for the rectangle's length and width respectively:

&

Now, we calculate the length and width using the perimeter:

So:

Then:

So, the measurements of the length and the width are respectively 12 units and 6 units.