20% off means you paid only 80% of the original price.
0.8x=40
x=40÷0.8=50
so the original price is 50
Answer:
96 * 144 - 168 * 42
Step-by-step explanation:
So the area of the wall is 96 * 144
And the area of the tiled part is 168 * 42
So it would be 96 * 144 - 168 * 42
Answer:

Step-by-step explanation:
We essentially need to solve for l; in other words, we must isolate it to one side.
First, notice that the term
doesn't have any l terms in it, so we can just move this to the left side by subtracting both sides by
:
A -
= 2lw
Now, the right side has 2lw, so we must divide both sides by 2w to isolate l:

<em>~ an aesthetics lover</em>
<h2><em>JUST DO IT YOURSELF ITS BASIC FRACTIONS!!!!!!!!!</em></h2>