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April 20, 2014

Homework Help: math

Posted by BOOKER on Monday, October 29, 2012 at 11:32am.

A SERVING TRAY MADE OF BRASS WEIGHS 21 OUNCES. THIS BRASS IS AN ALLOY OF 70 PERCENT COPPER AND 30 PERCENT TIN. WHAT IS THE WEIGHT IN COPPER?

CHECK MY SOLUTION PLEASE!
70% OF 21 OZ= 30Z

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