If an Alloy Contains 40 Wt % Gold, 20 Wt

question 28

Multiple Choice

If an alloy contains 40 wt % gold, 20 wt % palladium, 10 wt % platinum, and 30 wt % copper, the nobility would be _____ wt %.

• A) 10
• B) 20
• C) 30
• D) 40
• E) 75