Carcass wrote:
An investor receives a total combined return of 7% 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?
A. 7.25%
B. 7.5%
C. 8%
D. 8.5%
E. 9%
Kudos for the right answer and explanation
The investor invested a total of $30,000, and his combined return is 7%.
7% of $30,000 = $2100
So, the investor made a total profit of
$2100The $10,000 investment received a return of 6%
6% of $10,000 =
$600$2100 -
$600 =
$1500This means the $20,000 investment must have made a profit of
$1500$1500/$20,000 = 15/200 = 7.5/100 = 7.5%
So the investor received a 7.5% return on his $20,000 investment
Answer: B