Arug covers 1/4 of the floor. the area of the rug is 10ft what is the area of the floor?

The area of the rug is 10ft 

let the floor area x

so according to the question,  x/4 = 10 so the area of the floor is x=40ft (ans)

How much is 32 out of 40 written as a percentage? convert fraction (ratio) 32 / 40 answer:   80%

The answer will be y=-5+0 because the slope is -5 and the it has to go through y-axis 0