A. 31.25 percent of copper
B. 33.3 percent of copper
C. 66.7 percent of copper
D. 125 percent of copper
Correct Answer: 31.25 percent of copper ✔
Last Updated: June 29, 2018
A. 31.25 percent of copper
B. 33.3 percent of copper
C. 66.7 percent of copper
D. 125 percent of copper
Correct Answer: 31.25 percent of copper ✔
Last Updated: June 29, 2018