1. **State the problem:** Calculate the gross pay for the week given hourly wage, hours worked, and tips. 2. **Formula:** Gross pay = (Hourly wage × Hours worked) + (Percentage of tips kept × Total tips) 3. **Calculate hourly wage pay:** $13.50 \times 15 = 202.5$ 4. **Calculate tips kept:** $0.75 \times 160 = 120$ 5. **Calculate gross pay:** $202.5 + 120 = 322.5$ 6. **Answer:** The gross pay for the week is $322.50$. --- 1. **State the problem:** Calculate the gross pay for the week given base salary, commission rate, and sales amount. 2. **Formula:** Gross pay = Base salary + (Commission rate × Sales) 3. **Calculate commission:** $0.03 \times 10000 = 300$ 4. **Calculate gross pay:** $350 + 300 = 650$ 5. **Answer:** The gross pay for the week is $650$, which is not among the options provided, so re-check the problem or options. (Note: The options given do not match the calculated gross pay for question 3.)