There are two designs for Xiaoming's living room to be paved with floor tiles. (1) in the first design, 300 floor tiles are used to calculate the area of the kitchen, i.e. how many square meters and how many square meters? The first design is a square with 3 yuan each and 2 decimeters on each side

There are two designs for Xiaoming's living room to be paved with floor tiles. (1) in the first design, 300 floor tiles are used to calculate the area of the kitchen, i.e. how many square meters and how many square meters? The first design is a square with 3 yuan each and 2 decimeters on each side

Xiao Ming's kitchen should be paved with floor tiles. There are two design schemes. Scheme 1: the side length is 2 decimeters, and each piece is 3 yuan. Scheme 2: the length is 3 decimeters, the width is 2 decimeters, and each piece is 4 yuan
1. The first design uses 300 floor tiles, how many square decimeters is the area of the kitchen? 2. How many floor tiles does the second design need? 3. Which design is cheaper?
1. The area of this kitchen is 2 * 2 * 300 = 1200 (square decimeter) and 12 square meters. 2. The second design needs 1200 / (3 * 2) = 600 (pieces). 3. The first design needs 300 * 3 = 900 (yuan) and the second design needs 600 * 4 = 2400 (yuan), so one design is cheaper