SOLUTION: An alloy contains 20% silver and 30% lead. How much silver and how much lead should be added to 100 pounds of the alloy in order to obtain an alloy containing 25% silver and 33 1/3

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Question 987668: An alloy contains 20% silver and 30% lead. How much silver and how much lead should be added to 100 pounds of the alloy in order to obtain an alloy containing 25% silver and 33 1/3% lead?
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
a, how much silver to add
p, how much lead to add



This is a system of two linear equations in two unknown variables, so would be solvable.