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The capacity of each tank truck is 50m. How many tank trucks are needed to transport 800t oil with density of 0.8 × 10 kg / M?
The oil that can be loaded in each tank truck is: 50m & # 179; * 0.8 × 10 & # 179; kg / M & # 179; = 40t
It needs at least 800t / 40t = 20 to transport 800t oil
At least 20 tankers are required
This question is so simple that there is no mystery. I can't see it
The freight truck of a freight company runs at a speed of X kilometers per hour at a uniform speed of 130 kilometers (40 less than or equal to x less than or equal to 10 kilometers)
Please calculate the answer accurately
Your superior grade, not to mention the exact answer, your questions are too accurate~
It is known that the distance between a and B is 120 km. Both the automobile company and the railway company operate transportation business. The cost is shown in the table below
Car: Freight 2 (yuan / T / km), toll: 200 yuan, handling and management fee 0 yuan; train: Freight 1.8 (yuan / T / km), toll: 0 yuan, handling and management fee 1400 yuan. A customer has a batch of goods to be transported from a to B. according to the quality of the goods, the cost of train transportation is less than that of car transportation, Do you know how many tons the quality of the goods is above?
Suppose the weight of the goods is x tons and the transportation distance is a
2AX+200>1.8AX+1400
0.2AX>1200
AX>6000
The product of haul distance and cargo weight is more than 6000
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- 1. A. B. the distance between the two places is 120 km, and the expenses for both the automobile company and the railway company to start transportation business are shown in the table below [unit: yuan / (t · km)] The cost of one kilometer per ton of goods Freight of means of transport [yuan / (t · km)] toll (yuan) handling and management fee (yuan) Car 2 200 0 Train 1.8 0 1400 A customer has a batch of goods to be transported from place a to place B. according to the quality of the goods transported, railway freight transportation costs less. Do you know how many tons the quality of the goods is above?
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