A 10 m long and 4 m wide rectangular lawn is in front of a house. Along its three sides a 50 cm wide flower bed is there as shown in Fig. 9.58. Find the area of the remaining portion.

Use the Fig. 9.57 showing the layout of a farm house:

A. What is the area of land used to grow hay?

B. It costs ₹ 91 per m2 to fertilise the vegetable garden. What is the total cost?

C. A fence is to be enclosed around the house. The dimensions of the house are 18.7 m × 12.6 m. At least how many metres of fencing are needed?

D. Each banana tree required 1.25 m2 of ground space. How many banana trees can there be in the orchard?

Study the layout given below in Fig. 9.58 and answer the questions:

A. Write an expression for the total area covered by both the bedrooms and the kitchen.

B. Write an expression to calculate the perimeter of the living room.

C. If the cost of carpeting is ₹ 50/m², write an expression for calculating the total cost of carpeting both the bedrooms and the living room.

D. If the cost of tiling is ₹ 30/m², write an expression for calculating the total cost of floor tiles used for the bathroom and kitchen floors.

E. If the floor area of each bedroom is 35 m², then find x.

A school playground is divided by a 2 m wide path which is parallel to the width of the playground, and a 3 m wide path which is parallel to the length of the ground (Fig. 9.60). If the length and width of the playground are 120 m and 80 m respectively, find the area of the remaining playground.

In a park of dimensions 20 m × 15 m, there is a L shaped 1m wide flower bed as shown in Fig. 9.61. Find the total cost of manuring for the flower bed at the rate of Rs 45 per m².