not sure what is the copper percentage of 5 1 pences and 3 2 pences
.7%
there are many combinations of brass/copper/zinc. High brass for example has 65% copper and 35% zinc. Nickel brass has 70% copper and 24.5% zinc with 5.5% nickel Prince's has 75% copper and 25% zinc
One of the many types of brass.
200 ounces.
Mild steel, not copper.
Copper Zinc and Tin The bronze medal is made up of 97 percent copper, 2.5 percent zinc and 0.5 percent tin and the gold medal is made up of 92.5 percent silver and 1.34 percent gold, with the remainder copper. The silver medal is made up of 92.5 percent silver, with the remainder copper.
Generally more than 99 %.
75%
10
120 percent of man and 76 percent of woman
Since the percentages of copper in the two components to be mixed are symmetric about the desired result, the answer is that the same amounts should be used. 600 ounces of the 30% copper.
How much of an alloy that is 10% copper should be mixed with 400 ounces of an alloy that is 70% copper in order to get an alloy that is 20%