Question

A path 1 m wide is built along the border and inside a square garden of side 30 m. Find: (i) the area of the path (ii) the cost of planting grass in the remaining portion of the garden at the rate of Rs 40 per m2.

Answer 1

i) 2 x 30 = 60

   2 x 28 = 56

Area of the path is 116

ii) Total area of the garden

30 x 30 = 900

Remaining area is

900 – 116 = 784

The cost of planting grass

784 x 40 = 31,360