Final answer:
Joslin sold 1,200 bags at $10 each, and to calculate her total sales revenue, simply multiply the quantity sold by the sale price per unit. The total money she earned would be $12,000.
Step-by-step explanation:
The question asks how much money Joslin earned from selling bags. To calculate the total sales revenue, you multiply the number of units sold by the price per unit. In this case, Joslin sold 1,200 bags at $10 each.
To find the total money earned, follow this calculation:
Total money earned = Number of bags sold × Price per bag
Total money earned = 1,200 bags × $10 per bag
Total money earned = $12,000
Therefore, Joslin earned $12,000 from her bag sales.