There is a water fountain in the classroom. There are two water pipes in the water dispenser
The relation is shown in the following table:Water release time (minutes) 0212...Water in the water storage machine (liters) 18178...When the two discharge pipes are opened and the total water per minute;If the start to 2 minutes when there are exactly 4 students receiving water over 22 students, the first water receiving end is to take a few minutes?Press the release method, calculated during the 10 minutes in class at most how many students can pick up the water?
Question: in the classroom on a water dispenser (pictured), the drinking water machine has two water pipes. When the students in order to break the water cooler with water in a cup. Then the water will not occur if it
Each of the students, the content is equal. The two pipe is open at the same time, they are the same flow. If the first open a drain pipe, 2 minutes, and then open the second pipes, the water in the process of the valve has been opened. Drinking fountains of water storage and drainage time ((L) min) relationship is shown in the table:
