Stephanie receives a salary of $650 per month plus a commission of 5.5% on the first $3,000 of sales and 7% of all sales over $3,000 find Stephanie's gross pay for the month if her sales were $11,230

1391.1$

Step-by-step explanation:

1. Count the earned commission for first 3000$ - > 3000*0.055=165$.

2. Count the earned commission for the remained money - > (11230-3000) * 0.07=576.1$.

3. Sum up all Stephanie's incomes - > 650+165+576.1=1391.1$.