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aleksley [76]
3 years ago
9

Sterling silver is an alloy of silver that is 92.5% pure silver. If x grams

Mathematics
2 answers:
bonufazy [111]3 years ago
6 0

Answer:

The correct answer is actually B

nlexa [21]3 years ago
5 0

Answer:

D. 0.925x + 0.88y = 0.91(x + y)  

Step-by-step explanation:

The important point to remember is that the total mass of pure silver is the same on each side of the equation.

0.925x = mass of pure silver in first alloy

0.88  y = mass of pure silver in second alloy

The final alloy has a mass of (x + y) g and is 91 % pure silver, so

0.925x + 0.88y = 0.91(x + y)

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