There is a rectangular living room, 6.4 meters long and 4 meters wide. It needs to lay 80 cm square tiles. How many tiles do you need? If each tile costs 35 yuan, how much do you need Be sure, les,

There is a rectangular living room, 6.4 meters long and 4 meters wide. It needs to lay 80 cm square tiles. How many tiles do you need? If each tile costs 35 yuan, how much do you need Be sure, les,

The length and width of your living room are very material saving, the length is 6.4 meters, just 8 bricks (the gap between each brick is 3 mm, so you have to cut off 2.1 cm, so 8 bricks are enough) the width is 4 meters, just 5 bricks (the calculation method is the same as above), so 40 bricks are enough for your 25.6 square meters of living room, each brick is 35