# How many tiles of $$15 \mathrm{~cm}^{2}$$ will be needed to cover a floor of dimension 5.8 m by 6.90 m?

(C) 26 680 tiles

Explanation

First convert the dimensions into cm and the find the area. After that, divide the area by 15 to get the answer.
$$580 \times 690=400200$$
$$400 200 \div 15=26 680$$