Uncle Liu took 800 yuan to buy chemical fertilizer. I bought 16 bags of fertilizer, and 80 yuan was left, each bag of fertilizer.
What is the price? (6 points)
A bus travels for 3 hours 174 km. At this rate, it will take six hours.
How many kilometers is it? (8 points)
1, a loom can weave 110 decimeter in1minute. How many meters can this loom 1 hour weave?
2. The library bought a batch of books, each shelf can hold 150 books, 1 1 shelves, and 630 books have not been put in. How many books did the school buy back?
Uncle Wang drove from place A to place B at a speed of 70 kilometers per hour for six hours.
(1) How far is it from A to B?
(2) When I came back, I speeded up because I had a task. It only took me four hours to get back to A. What was my speed when I came back?
In the shop, you need a sports coat made in 35 yuan, a short sleeve made in 20 yuan and a pair of sports pants made in 30 yuan.
(1) Teacher Fang brought 430 yuan money. If she buys all the coats, 12 yuan, will the money be enough?
(2) Teacher Fang bought eight short sleeves and five pairs of trousers. How much is left?
(3) What other math questions can you ask? And answer.
1, a bunch of flowers in 30 yuan, buy 5 for free 1. Aunt Wang buys five bundles at a time. How much cheaper is each bundle?
The speed of the car going up the hill is 36 kilometers per hour. It takes 5 hours to reach the top of the mountain, and only 4 hours to go back the same way when going down the mountain. How many kilometers per hour does the car average when it goes downhill?
3. The experimental primary school should buy a composition guidance book with the price of 12 yuan for each of the third and fourth grade students. It is known that there are 145 students in grade three and 155 students in grade four. How much are the two grades?
4, the school to carry out water conservation activities, the first three months * * * to save 435 tons of water. According to this calculation, how many tons of water can the school save a year?
5. Students should make 120 flowers, each with 5 flowers. Each group 12 people. How many groups of students should do it?