Five square flower beds each of sides 1 m are dug on a piece of land 5m long and 4m wide. What is the area of the remaining part of the land?
Area of the land = 5 × 4 = 20 m2
Area occupied by 5 flower beds = 5 × (side)2 = 5 × (1)2 = 5m2
Areas of the remaining part = 20 – 5 = 15 m2
