Find the percentage of iron in an ore if 350 kg of ore contains 238 kg of iron.

univerkov | February 9, 2021 | education

It is known that 350 kg of ore contains 238 kg of iron. Let’s find this number as a percentage.

Let’s say 350 kg is 100%, then 238 kg is X percent. Let’s make a proportion.

x = 238 kg * 100%: 350 kg = 68%.

We get that 100 kg of ore contains 68 kg of iron.

Or – the percentage of iron in the ore is 68%.

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