Leo wants to paint a mural that covers a wall with an area of 300 square feet. The height of the wall is 1/3 of its length. What is the length and the height of the wall?

Length = 30

Height = 10

Step-by-step explanation:

Formula for the area = height * length. We know that the height of the wall is 1/3 of its length. This gives us another formula which is  

Now substitute this into the formula, while knowing that the area is 300.

So we have 300 =

Solving for l gives us 30 and then substituting it back into the equation

, will give us that the height is 10.

Hope this helps

19.

step-by-step explanation:

you add the 9 in the tens column since it is a single digit and 9 plus zero is 9 so it is 19

sorry not sure

step-by-step explanation: