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

To find the cost per room of the least expensive company, we need to compare the costs of both companies.

Pretty Paint Company charges $75 per room, so for a 6-room house, they would charge 6 * $75 = $<<6*75=450>>450.

Big Bucket paint company charges $426 to paint a 6-room house.

Comparing the costs, we can see that Big Bucket is the least expensive company as they charge $426 for a 6-room house.

To find the cost per room, we divide the total cost by the number of rooms.

Cost per room for Big Bucket = $426 / 6 = $<<426/6=71>>71.

Therefore, the cost per room of the least expensive company is $71.