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Please answer the application questions 1. Both Party A and Party B have deposits in the bank. Originally, Party A's deposit is 2 / 5 more than that of Party B. after Party A withdraws 210 yuan, Party B's deposit is 25 / 14 times of that of Party A. how much does Party A have now? (answer 140) 2. There are three classes in Grade 6. The number of students in class 1 accounts for 10 / 33 of the whole grade. The number of students in class 3 is 1 / 11 more than that in class 2. If four students are transferred from Class 3, it will be the same as that in class 2. (answer 132)
Let a deposit be a and B deposit be B. at the beginning, a = 1.4b. After a takes it out, it becomes 25 / 14 (a-210) = B, and the two equations are solved simultaneously. 2. Set a class, two classes and three classes as a, B and C respectively, and the result is C = 12 / 11B, C-4 = B. the number of two or three classes calculated by the two equations is 10 / 33
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