An investor receives a total combined return of 10% on his two different investments. On his $10,000 investment he receives a return of 6%. What is the return on his $20,000 investment?
Choose the most appropriate option:	A) 7.25%	B) 12%	C) 8%	D) 8.5%	E) 9%
0.06 * 10000 + 20000x = 0.10(30000)   solving for x give x = 12%   option 12%
<result>B</result>
An investor receives a total combined return of 10% on his two different investments. On his $10,000 investment he receives a return of 6%. What is the return on his $20,000 investment?