1. A literary and art group organized a charity performance for Project Hope, * * * sold 65,438+0,000 tickets and raised 6,000 950 yuan. It is known that each adult ticket is 10 yuan, and each student ticket is 5 yuan.

(1) How many adult tickets and student tickets did you sell?

(2) If the ticket price and the total number of tickets sold remain unchanged, can the ticket amount be 6932 yuan? State your reasons.

(3) If the ticket price and the total number of tickets sold remain unchanged, how many adult tickets must you sell if you want to raise 8 000 yuan?

In the second and seventh grades, a math contest was held, and the school bought diaries and exercise books. The bonus is 65.6 yuan. Suppose each diary is 2.4 yuan, each exercise book is 0.7 yuan, and the number of exercise books is 65,438+04 more than that of diaries, so what is the purchase quantity of each diary and exercise book?

Li Ming went to the stationery store to buy pencils and erasers for 30 students of the school art troupe. It is known that each pencil is m yuan and each eraser is n yuan. If you buy two pencils and three erasers for each student, you have to pay _ _ _ _ _ _ _ _ _.

4. Star Juice Shop Class A juice is more expensive than Class B juice 1 yuan. Xiao Bin and his classmates asked for 3 cups of B-type juice and 2 cups of A-type juice, which cost 16 yuan. What is the unit price of juice A and juice B respectively?

5. "Shanghai Middle School" recently launched the "Buy 200 yuan and Send 80 yuan" award activity. At present, a customer bought clothes from 200 yuan and got a shopping voucher from 80 yuan (you can use it in the shopping mall, but you can't exchange money). When the customer bought this suit, a salesman said to the customer, "It is cheaper to buy goods in the reward activities, which is equivalent to 100% = 65438%.

6. A material supplier implements the following preferential measures for customers: no preferential treatment will be given if the one-time purchase amount does not exceed 1 0,000 yuan; A purchase of more than 1 10,000 yuan, but not more than 30,000 yuan, giving a 10% discount; A purchase of more than 30 thousand yuan, of which 30 thousand yuan discount 10%, super

There is a 20% discount for those over 30 thousand. Due to the storage capacity problem, a factory paid 7800 yuan for the first time to buy materials from the supplier, and the second time.

The purchase price is 26 100 yuan. If he buys the same amount of materials at one time, how much can he pay less?

I don't know how much you want. Are these all right?

Give points if you can ~ ~ ~