SOLUTION: Re-posted question: An alloy is composed of 4 parts of gold and 3 parts of silver. Determine what fraction of the whole is the silver. Not sure how to solve.

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Question 1205473: Re-posted question:
An alloy is composed of 4 parts of gold and 3 parts of silver. Determine what fraction of the whole is the silver.

Not sure how to solve.
Answer by ikleyn(52794) About Me  (Show Source):
You can put this solution on YOUR website!
.

Total  (or whole)  is  4 + 3 = 7 parts.


The fraction  silver%2Ftotal  is  3%2F%284%2B3%29 = 3%2F7.    ANSWER

Solved, answered and explained.

In this problem, the "parts" are equal masses.