Answer:
His commission was $247.50
Step-by-step explanation:
Percentage
Joquan's brother earns a 2.5% commission on the amount he sells.
Last week, he sold $9,900 worth of shoes, thus his commission will be calculated as follows:
2.5% of $9,900 = 2.5 *$9,900 / 100 = $247.50
His commission was $247.50