Question

the floor of a building consists of 3000 tiles which are rhombus shaped. the diagonals of each of the tiles are 45cm and 30cm. find the total cost of polishing the floor, if cost per m2 is rupees2.50

Answer 1

the answer would be like
$(3000 \times 1 \div 2(0.45 \times 0.30)) \div 2.50$