A wholesaler wants to consign a batch of aquatic products from a to B for sale, It is known that the distance between a and B is 120km, the average speed of freight vehicles is 60km / h, and the average speed of freight vehicles is 60km / h The charging items and standards of the transport company are as follows: Unit price of transportation unit price of refrigeration unit price of road and Bridge toll 2 5 200 (1) If the wholesaler has x T aquatic products to transport, the total charge of the freight company is y yuan. Try to write the function expression between Y and X (2) If the wholesaler wants to deliver 5T aquatic products and pays the freight of 1400 yuan, is the shipping company willing to deliver these aquatic products? No one answered

A wholesaler wants to consign a batch of aquatic products from a to B for sale, It is known that the distance between a and B is 120km, the average speed of freight vehicles is 60km / h, and the average speed of freight vehicles is 60km / h The charging items and standards of the transport company are as follows: Unit price of transportation unit price of refrigeration unit price of road and Bridge toll 2 5 200 (1) If the wholesaler has x T aquatic products to transport, the total charge of the freight company is y yuan. Try to write the function expression between Y and X (2) If the wholesaler wants to deliver 5T aquatic products and pays the freight of 1400 yuan, is the shipping company willing to deliver these aquatic products? No one answered

1.5*(120/60)*x+120*2*x+200=y
2. Substituting x = 5 into the above formula, y = 1450 > 1400

If a batch of coal is transported by four cars, each car carries 8 tons. If it is transported by five cars, how many tons does each car carry?

It should be six or four tons per car

A pile of coal has been transported by car for five times. The amount of coal transported is more than 3 / 5 and less than 3 / 4
A pile of coal has been transported by car for five times. The coal transported is more than 3 / 5 and less than 3 / 4. According to this calculation, it will take () times at most and () times at least to transport the pile of coal

Let the total number of these coals be 1, X for each coal transportation, then it takes 1 / x times to complete the transportation of these coals
3/5÷5

Five cars can transport 100 tons of steel four times. If the same seven cars are used to transport 105 tons of steel, how many times do they need to transport?

100 tons △ 5 vehicles × 4 times = 5 tons / vehicle times;
105 tons △ 7 vehicles * 5 tons / vehicle = 3 times
A: it needs to be shipped three times