A foundry has been commissioned to make souvenir coins. The coins are to be made from an alloy that is 40% silver. The foundry has on hand two alloys, one with 50% silver content and one with a 25% silver content. How many kilograms of each alloy should be used to make 10 kilograms of the 40% silver alloy?

Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter1: Foundations
Section1.10: Systems Of Measurement
Problem 1.300TI: To make one pan of baklava, Dorothea needs 400 grams of filo pastry. If Dorothea plans to make 6...
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A foundry has been commissioned to make souvenir coins. The coins are to be made from an alloy that is 40% silver. The foundry has on hand two alloys, one with 50% silver content and one with a 25% silver content. How many kilograms of each alloy should be used to make 10 kilograms of the 40% silver alloy?

Expert Solution
Step 1

Let the quantity of 50% silver content alloy be: x kg

Let the quantity of 25% silver content alloy be: y kg

Therefore:

x+y=10               ......... (1)

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