Question

Find the cost of watering a lawn 16 m by 15 m at Rs 2.50 per sq. Metre

Answer 1

Answer:

firstly find the area of the lawn and then multiply it with the cost per sq.m

Answer 2

The total cost of watering is ₹600.

• Given data :

Length of the lawn is 16 metres.

Breadth of the lawn is 15 metres.

Cost of watering is rupees 2.50 per square metre.

• At first we have to calculate the area of the lawn by using the following mathematical formula :

Area = Length × Breadth

= 16×15

= 240 m²

• Now,we have to calculate the total cost of watering by using the following mathematical formula :

= total area of the lawn × cost of watering per metre square

= 240×2.5

= ₹600

So,the cost of watering is ₹600. (Answer)