Sheldon works in sales and makes a weekly base salary plus a commission based on his sales each week. He earned an extra $120 in commissions from $1,500 in sales last week. Which percent of sales is Sheldon's commission?

Answer:
8%
Step-by-step explanation:
If he earned $120 out of $1500, just do 120/1500 which will give you 0.08 which is 8 percent.