How to do thsi

The cost of flooring the verandah with marble at ₹ 236 per metre square is Rs. 18880

Step-by-step explanation:

Length of room = 10 m

Breadth of room = 6 m

It is surrounded by a verandah which is 2 m wide all around it.

Outer length = 10+(2+2)=14 m

Outer breadth = 6+(2+2)=10 m

Area of floor of verandah = 

Cost of flooring 1 sq.m. = Rs.236

Cost of flooring 80 sq.m. =80 times 236= Rs.18880

Hence the cost of flooring the verandah with marble at ₹ 236 per metre square is Rs. 18880

Regards