Question

Масса 14 л. нефти 11,2 кг. Какова масса 30 л. нефти?

Answer 1

14л = 11,2кг

30л - Хкг

х=30*11,2/14 = 24кг

Ответ: 24 кг

Answer 2

Calculating the Mass of 30 Liters of Oil

To calculate the mass of 30 liters of oil, we can use the given mass of 14 liters of oil, which is 11.2 kg.

Given: - Mass of 14 liters of oil = 11.2 kg

To find the mass of 30 liters of oil, we can use the concept of proportionality.

We can set up a proportion to solve for the mass of 30 liters of oil:

Proportion: - Mass of 14 liters / Volume of 14 liters = Mass of 30 liters / Volume of 30 liters

Using the given mass of 14 liters of oil, we can calculate the mass of 30 liters of oil.

Calculation

Let's calculate the mass of 30 liters of oil using the given mass of 14 liters of oil.

Calculation: - Mass of 14 liters of oil = 11.2 kg - Volume of 14 liters of oil = 14 liters - Volume of 30 liters of oil = 30 liters

Using the proportion: - 11.2 kg / 14 liters = Mass of 30 liters / 30 liters

Solving for the mass of 30 liters: - (11.2 kg / 14 liters) * 30 liters = 24 kg

Conclusion

The mass of 30 liters of oil is 24 kg.