PLEASE HURRY, 20 POINTS A rectangle’s area and perimeter have the same numerical value. The length of the rectangle is 12 feet. What is the width of the rectangle in feet? Enter your answer as a decimal in the box.

Step-by-step explanation:

A rectangle's perimeter is given by the formula:

A rectangle's area is given by the formula:

We are given that they have the same numerical value. In other words:

And we are also given that the length is 12 feet. So, substitute 12 for l:

To solve for the width, we just need to solve for w.

On the left, distribute:

Subtract 2w from both sides. The left side cancels:

Divide both sides by 10. Flip also:

Reduce both layers. Use 2. So:

So, the width is 2.4 feet.

And we're done!

sinn is the total amount of students now and m were the students before, you subtract them both (n-m) and divide that by m. then, since to get a percentage from a fraction you have to multiply by 100, your answer should look like this: n-m/m*100

step-by-step explanation:

94

step-by-step explanation:

average the numbers and use a variable to figure out the minimum to get a 90.

(79+94+91+92+x)/5=90

x = 94