Can someone please help me

It's a slope of a line so the answer is

Defiantly 3

Step-by-step explanation:

First, we are going to find the painted area of his house. We know that the total area he needs to paint is 4000 square meters, so 4000 is the area of this house. Now, to find the 62.5% of that area, we are going to multiply it by :
Painted area= 

Now, to find rate, in square feet per hour, we are going to divide the painted area by the number of hours: 
Rate=

We can conclude that Kyler paints at a rate of 434.78 square feet per hour.