A barrel of diesel oil weighs 120 kg. After three-quarters of the oil is poured out, there is 45 kg left. How many kg does this barrel of diesel oil weigh?
Oil = (120-45) △ 3 / 4 = 100 kg
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- 1. A barrel of diesel oil weighs 120 kg. After 0.75% of the oil is poured out, the remaining oil weighs 45 kg. How many kg does this barrel of diesel oil weigh? Use the equation to solve
- 2. A barrel of diesel oil is continuously pumped. It weighs 20000 grams late. After half of it is used up, it still earns 65000 grams. How much oil is left in the barrel and how many kilograms are empty?
- 3. A barrel of diesel oil, the first day to use it 2 / 3 less than 3 kg, the next day to use the remaining 40% more than 3 kg, this is the barrel of 15 kg left How many kilos are there in half a year
- 4. A barrel of diesel sells 75 kg, which is just 1.5 times of the rest. It costs 1.6 yuan per kilogram of diesel. How much yuan can this barrel of diesel sell?
- 5. A barrel of oil uses 45, and then adds 15 kg. At this time, the gasoline in the barrel is exactly 12 times of that in the whole barrel. How many kg of gasoline is this barrel?
- 6. When a diesel engine consumes 2kg of diesel oil, it outputs 3 * 10 seventh power work to calculate the efficiency of the diesel engine (the calorific value of diesel oil is 3.3 * 10 seventh power J / kg)
- 7. When a diesel engine consumes 3kg of diesel oil, it can do 4.5 * 10 of the seventh power J of useful work, and calculate the efficiency of the diesel engine The calorific value of diesel oil is 3.3 * 10 7 J / kg
- 8. A 195 type diesel engine consumes 0.2kg diesel per horsepower per hour. The calorific value of diesel is known to be 4.3x10 seventh power J / kg Find out the efficiency of this diesel engine
- 9. 1. Diesel engine is a common heat engine in industrial and agricultural production. It is known that the efficiency of a certain type of diesel engine is 30%. It can release more heat if 2 kg diesel is completely burned in the diesel engine
- 10. When a diesel engine consumes 3kg of diesel oil, it can do 450000 useful work to calculate the efficiency of a diesel engine [the calorific value of diesel oil is 330000]
- 11. A barrel of oil weighs 120 kg. After half use, it still weighs 65 kg. How many kg of oil is there in this barrel? How many kg of empty barrel?
- 12. A barrel of oil weighs 120 kg. After half of the oil is used, the barrel weighs 65 kg. How many kg is the oil? How many kilos is the barrel?
- 13. How many liters is a kilogram of diesel?
- 14. How many liters of diesel is one kilogram? What is the formula?
- 15. One ton of oil is converted into liter. It will be calculated and distributed to all Density of 0.81 diesel. How many liters is a ton? It is required to calculate accurately. Then tell us the calculation method
- 16. How to convert tons of diesel into liters For example, 5 tons of diesel oil is converted to 5959 liters. What's the formula?
- 17. -Conversion of diesel oil ton to liter
- 18. Conversion between kilogram and liter of diesel oil
- 19. Conversion of diesel volume and mass
- 20. Diesel conversion I bought 600 tons of diesel, the proportion of imported diesel is 0.865, the sales is 0.842, 1600 tons of diesel, after the loss of 7 tons of diesel. How to convert, help, thank you