1. Thinking about my mother going to the market to buy fruit. She first spent 3.5 yuan to buy 2.5 Jin of apples, and was going to buy 3 Jin of oranges. The unit price of oranges is 0.6 times that of 65438+ apples. How much should I pay for oranges?

Xiaohua borrowed a story book with 120 pages, and she read 36 pages in three days. If she can only keep it for eight days, how many pages should she read every day from the fourth day?

I bought 360 Jin of rice in the canteen, and I plan to eat 30 Jin a day. Actually, I ate three days more than planned. How many Jin does this batch of rice actually eat every day?

4. Build a 340-kilometer expressway, with an average of 20 kilometers per day in the first two days. The rest requires four days to complete, how many kilometers per day on average?

5. Two cars, A and B, leave from two places 396 kilometers apart at the same time. Car A travels 85.8 kilometers per hour, while car B travels 90.2 kilometers per hour. How many hours did these cars meet?

6. A convoy will transport 84,000 bricks. If it transports 0.35 bricks per hour, it can transport them all on time. How many tens of thousands of bricks will be transported every hour if they are all shipped four hours in advance?

7. A workshop can produce 120 type A parts, 100 type B parts or 200 type C parts every day. Three A-type parts, two B-type parts and 65,438+0 C-type parts can be made into a set. Now it is required to produce the most complete set of products within 30 days, including type A, type B and type C..

8. A math book is 6.25 yuan and a Chinese book is 5.86 yuan. How much are two books?

9. A watermelon weighs 4.86 kg and a cantaloupe weighs 3.5 kg. How many kilograms is a watermelon heavier than a cantaloupe?