Answer:
Last month her gross income was $1909.60.
Explanation:
Given:
Sophia earns commission selling cell phones contracts. Last month she sold 341 cell phones contracts worth a total of $38,192.
She earns a 5% rate of commission.
Now, to find her gross income last month.
Sale of last month = $38,192.
Rate of commision = 5%.
So, the commision is:
Commission = 5% of $38,192.
![Commission = (5)/(100) * 38192.](https://img.qammunity.org/2020/formulas/mathematics/high-school/lbfj4hg9f5f4s9o67hp1vx452r8pwsxq79.png)
![Commision=0.05* 38192.](https://img.qammunity.org/2020/formulas/mathematics/high-school/s1b6bdeihusrrkxc1ptjo38m03bcwwrqzf.png)
![Commision=\$1909.60.](https://img.qammunity.org/2020/formulas/mathematics/high-school/6e887a886v7mz40ognozwd6drozbsjpize.png)
Therefore, last month her gross income was $1909.60.