To paint a room, Pretty Paint company charges $75 per room. Big Bucket Paint Company charges $426 to paint a 6 room house. List the cost per room of the least expensive company. DO NOT LABEL.

To find the cost per room of the least expensive company, we need to determine the cost per room of each company.

Pretty Paint Company charges $75 per room. Therefore, the cost per room is $75.

Big Bucket Paint Company charges $426 to paint a 6 room house. To find the cost per room, we divide the total cost by the number of rooms: $426 ÷ 6 = $71.

Comparing the costs per room, we find that the cost per room of the least expensive company is $71.