Question

When 20 tons of iron ore are smelted, 12 tons of iron are obtained. How much iron is obtained when 45 t of iron ore is smelted?

Answer 1

Explanation:

It is clear that after smelting the amount of iron obtained is 12\20 = 60%.

Therefore when 45t is smelted the amount obtained = 60% x 45t

= 27t