Question

Susan Marciano invested part of her $17,000 bonus in a fund that paid an 8% profit and invested the rest in stock that suffered a 4% loss. Find the amount of each investment if she only profited $640.

Answer 1

put x = amount invested at 8% profit, then the rest 1700 - x suffered the 4% loss. solve
\[.08x-.04(17,000-x)=640\] to get your answer