Lili's bedroom is a 6-meter-long, 4-meter-wide rectangle with 30cm * 30cm floor tiles. How many pieces do you need at least

I'll have a try
1m=100cm
600x400=240000cm2
30x30=900cm2
240000 / 900 ≈ 267 (pieces)
A: at least 267 yuan

RELATED INFORMATIONS

1. 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?
2. The floor of Li Hua's bedroom is 6m long and 3M wide. He chose the following two kinds of floor tiles: 30cm * 30cm, each 6.5 yuan, 40cm * 40cm, each 9 yuan (1) How many square tiles are needed to cover the whole floor with 30cm square tiles? (2) How many square tiles are needed to cover the whole floor with 40cm square tiles? (3) What kind of floor tile is cost-effective for this bedroom?
3. There is a kind of rectangular floor tile, its specification is 40cm * 30cm. At least how many such tiles can be used to make a square floor? It's better to write the process so that I can understand it. Thank you! It's a math problem. Don't post randomly!
4. Xiao Hong's family is laying floor tiles in the living room. The living room is 8 meters long and 4 meters wide. One is 40 cm long and 8 yuan. The other is 30 cm long and 6 yuan. How much does it cost to use 30 cm
5. In a living room with a length of 5 meters and a width of 4 meters, the floor tiles are counted as a whole. The side length of the floor tiles is () decimeters, and the largest is () decimeters. This is a mathematical problem
6. Can a rectangular tile with a length of 3 decimeters and a width of 2 decimeters not be a square? If so, how many decimeters is the minimum side length of the square? At least how many such tiles are needed?
7. The floor of a shopping mall hall is a rectangle with a length of 16m and a width of 24m. If you want to use square tiles with a side length of 80cm to cover the floor of the whole hall, At least how many such tiles are needed?
8. The first question: a kind of rectangular floor tile is 24 cm long and 18 cm wide. How fast does it take to make a square floor with this kind of floor tile? The second question: a class of students do exercises, 10 people in a row, 8 people in a row are just finished, this class at least how many students? (please write quickly, I want to do the problem) How about a common multiple?
9. A kind of rectangular floor tile is 30 cm long and 15 cm wide. At least how many such tiles can be paved into a solid square?
10. A rectangular floor tile is 24 cm long and 18 cm wide. How many floor tiles do you need to make a square with this kind of floor tile
11. There is a regular hexagon living room with a side length of 4 m, which is densely paved with regular triangle tiles with a side length of 1 m A. 54 B. 72 C. 96 D. 128
12. There is a square living room with a side length of 4 m, which is covered with regular triangular tiles with a side length of 50 cm. How many tiles do you need?
13. It needs 480 pieces of square tiles with side length of 0.4m to lay the floor of a living room. If it is changed to square tiles with side length of 0.6m, how many pieces do it need?
14. There is a regular hexagon living room with a side length of 4m, which is paved with regular triangular tiles with a side length of 50cm. How many tiles do you need? A.216 B.288 C.384 D.512
15. Mr. Gao's living room has 16 square meters, with 8 decimeter long floor tiles. How many such tiles do you need?
16. Lelejia's kitchen is a rectangle with a length of 4 meters and a width of 36 decimeters. How many tiles do you need if you lay a floor tile with a side length of 4 decimeters? The price of each tile is 7 yuan. How much does it cost to lay a good kitchen floor?
17. Study area is 16 square meters, just used 32 bricks, so how much is the area of each tile
18. Who uses concise words to give me the equivalent series of this problem? Lelejia study covers an area of 16 square meters and uses 32 bricks. What is the area of each brick? List the equivalent relationship!
19. The area of Lingling's study is 16 square meters, and 32 floor tiles are used. How many floor tiles should be used per square meter
20. Lingling's study area is 16m2, and 32 floor tiles are used. How much is the area of each floor tile?