2 years ago

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

Mathematics

2 answers:

bonufazy [111]2 years ago

6 0

Answer:

The correct answer is actually B

nlexa [21]2 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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