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A new swimming pool will be built in the gymnasium. The length, width and depth of the swimming pool are 50 meters, 20 meters and 2.5 meters respectively How many square meters of ceramic tile?
Bottom 50 * 20 = 1000 square meters
Two long sides 50 * 2.5 * 2 = 250 square meters
Two short sides 20 * 2.5 * 2 = 100 square meters
A total of 1000 + 250 + 100 = 1350 square meters is required
A cuboid swimming pool is 50 meters long, 45 meters wide and 3 meters deep. The bottom and four walls of the swimming pool are pasted with ceramic tiles. Each square meter is pasted with 15 tiles. How many tiles should be pasted
Less? How many cubic meters of water can this swimming pool hold?
Area = 50 × 45 + 2 × (50 + 45) × 3 = 2820 square meters
Number of blocks = 2820 × 15 = 42300
Water capacity = 50 × 45 × 3 = 6750 M3
1. A cuboid swimming pool is 40 meters long, 24 meters wide and 2.8 meters deep. If tiles are pasted on the four walls of the swimming pool, how many square meters of tiles are needed?
2. A primary school is going to order a set of costumes for 92 students of the school art troupe. There are two costumes and their prices meet the requirements of the school. The enemy of a set of costumes in each shopping mall is 100 yuan. Because of the sales, the discount of the two shopping malls is as follows:
Shopping mall a: customers who buy more than 50 sets of costumes at a time will be given a 10% discount
Shopping mall B: 20% discount for one purchase of more than 100 sets (including 100 sets)
Excuse me: which shopping mall does the school go to buy performance clothes to save money?
1. The swimming pool has no roof, so 40 * 24 + 2.8 * 24 * 2 + 2.8 * 40 * 22. A. 92 * 100 * 0.9 = 8280 (yuan) you can get 20% off if you buy 100 sets, B. 100 * 100 * 0.8 = 8000 (yuan) ∵ 8280
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