To find: The number of ounces of zinc that need to make brass.
Answer to Problem 13E
The number of ounces of zinc that need to make brass are
Explanation of Solution
Given:
The given percentage of copper by weight in brass is
The given percentage of zinc by weight in brass is
The given number of ounces of copper are
The given situation written in equation is as:
The solution is calculated as:
Further simplified as:
Check for
Hence, the number of ounces of zinc that need to make brass are
Chapter 7 Solutions
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