The picture is what i need with pls hurry

Step-by-step explanation:

The area of a rectangle can be calculated with this formula:

Where "l" is the lenght and "w" is the width.

And the area of triangle can be found with this formula:

Where "b" is the base and "h" is the height.

First:

- Convert inches to feet:

- Convert the mixed number to decimal number:

You can identify that the ramp is formed by three rectangles and two equal right triangles.

Since the bottom of the ramp does not have to be stained, you need to find:

1. The area of the smaller rectangle:

2. The area of the larger rectangle on the top:

3. The area of the triangles:

Add the areas:

Since a quart of stain covers , for you need to buy:

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: