2) Fujian Xinxin Electronics Co., Ltd. applied for two kinds of loans, A and B, with an amount of 680,000 yuan and an annual interest of 84,200 yuan. The annual interest rate of loan A is 12%, and that of loan B is 13%. How much are these two loans?
3) A clothing factory wants to produce a batch of certain kinds of student clothes. It is known that a 3-meter-long cloth can be used to make two coats or three pairs of trousers, and one coat and one pair of trousers are a set. It is planned to use 600 meters of cloth for production. How much cloth does it take to produce coats and trousers? * * * How many sets can you produce?
4) When a shopping mall sells an electrical appliance at a fixed price, each one can make a profit in 48 yuan. Selling 6 electrical appliances at a 10% discount on the basis of a fixed price is equal to the profit of selling 9 electrical appliances in 30 yuan. What is the purchase price and fixed price of each set of electrical appliances?
5) A square table consists of 65,438+0 desktops and 4 legs. If 1m3 wood can be used as 50 desktops or 300 legs of a square table, how many cubic meters of wood can be used as desktops and legs to make a square table using the existing 10 m3 wood? How many square tables can you make?
6) At 8: 00 a.m., A and B walked towards each other at the same time, with the distance of 36km at 10 in the morning and the distance of 36km at 12. As we all know, in order to find out the distance between A and B, A walks 2 kilometers more than B every hour.
7) A middle school organizes students to have a spring outing. It was originally planned to rent a number of 45-seat buses, but 15 people had no seats. If you rent the same number of 60 buses, there will be one more bus, and the rest of the buses are just full. It is understood that the daily rent of 45 buses is 220 yuan, and the daily rent of 60 buses is 300 yuan.
(1) How many students are there in the spring outing? How many 45-seat buses were originally planned to rent?
(2) If you rent a similar car and want everyone to have a seat, how to rent a car is more cost-effective?
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