Total sales of copper in 2003 and 2004 constitute what percentage of the average sales of silver in 2004 and 2005.
A. 150%
B. 160%
C. 155%
D. 175% E. 180%
Answer:A
Total sales of copper in 2003 and 2004 constitute what percentage of the average sales of silver in 2004 and 2005.
A. 150% B. 160% C. 155% D. 175% E. 180%
Explanation: Total sales of copper in 2003 and 2004= 160+160= 320 tonnes Average sales of silver in 2004 and 2005= (180+220)/2= 200 tonnes Percentage= (320/200)*100= 160%