# Wealthiest 61834

Iron is produced in a blast furnace from iron ore. The wealthiest iron ore is magnetite, which contains 45-70% iron. How much magnetite do we need to get 3 tons of iron?

## Correct answer:

Tips for related online calculators

Our percentage calculator will help you quickly calculate various typical tasks with percentages.

### You need to know the following knowledge to solve this word math problem:

### Units of physical quantities:

### Grade of the word problem:

## Related math problems and questions:

- Coke

One ton of coal is produced 772 kg of coke for iron production. How many wagons of coal by 13 tonnes per day is needed for the blast furnace, which has a daily consumption of 1020 tons of coke? - Iron

Iron ore contains 54% iron. How much iron ore is needed to produce 23 tons of iron? - Contains 3534

Iron ore contains an average of 35% iron. How much iron is obtained by melting 300 tons of iron ore? - Obtained 2812

45% of pig iron is obtained from iron ore and 70% of steel from it. How much steel is made from 100 tons of iron ore?

- Grinding 7285

By grinding wheat, we get 86% torment. How much wheat do we need to grind to get 7 tons of wheat flour? - Alcohol

How much 56% alcohol do we need to pour into 22 liters 78% alcohol to get p3% alcohol? How much 76% alcohol do we get? - Solutions, mixtures

We have 2 liters of 20% solution available. How much 70% solution do we need to add to get a 30% solution?