Answer :
ANSWER
[tex]\begin{gathered} \$30,000 \\ \$20,000 \end{gathered}[/tex]EXPLANATION
The investors made their investments in the ratio 6 : 4.
To find how much each investor contributed, we have to divide each ratio by the total ratio and multiply by total investment.
That is:
[tex]\begin{gathered} \Rightarrow\frac{6}{6+4}\cdot50000 \\ \frac{6}{10}\cdot50000 \\ \$30,000 \\ \Rightarrow\frac{4}{10}\cdot50000 \\ \$20,000 \end{gathered}[/tex]Their contributions were $30,000 and $20,000.