A 5 m long and 3 m wide rectangular bedroom is paved with floor tiles. The side length of the floor tiles is 50 cm. How many such tiles do you need to cover the whole bedroom?

A 5 m long and 3 m wide rectangular bedroom is paved with floor tiles. The side length of the floor tiles is 50 cm. How many such tiles do you need to cover the whole bedroom?

Bedroom area: 500cmx300cm = 150000 square centimeter
The area of floor tile is 50cmx50cm = 2500 square cm / piece
15000 / 2500 = 60 pieces