How many tiles of \(15 \mathrm{~cm}^{2}\) will be needed to cover a floor of dimension 5.8 m by 6.90 m?
Explanation
First convert the dimensions into cm and the find the area. After that, divide the area by 15 to get the answer.
\(580 \times 690=400200\)
\(400 200 \div 15=26 680\)