Level 2
Beatrice placed potted plants at equal distance apart from each other to form the perimeter of a square garden. There was a potted plant in each corner. Given that there were 4 potted plants on each side of the garden, how many potted plants did Beatrice place?
Level 2
Poles are placed at equal distances along a street. The distance between any two poles is 90 cm. If the street is 2340 m long, how many poles are needed altogether?