Which is an equivalent way to express 3x?

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)

the furthest the dog can be is 508 meters away from the house, and the closest he can be is 492 meters away from the house.

the given 6 = w/p is equivalent to 6p = w, where w is the total area of the walls and p is the area covered by a single can of paint.

knowing that 6 cans of paint will be needed, 6p = w becomes 6(6) = w = 36.   this tells us that the total area to be painted is 36 square units.