Math, asked by 4108, 2 months ago

50kg of an alloy of lead and tin contains 60% lead. How much lead must be melted into it to make an alloy containing 15% lead?

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Answered by skirpane72

Quantity of lead in 50 kg of alloy = 60% of 50 kg = kg = 30 kg. Let the required quantity of lead to be added be x kg. Then, weight of lead = (30 + x) kg. And, weight of new alloy = (50 + x) kg.

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50kg of an alloy of lead and tin contains 60% lead. How much lead must be melted into it to make an alloy containing 15% lead?​

Answers

50kg of an alloy of lead and tin contains 60% lead. How much lead must be melted into it to make an alloy containing 15% lead?