James, priya, and siobhan work in a grocery store. james makes $8.00 per hour. priya makes 20% more than james, and siobhan makes 15% less than priya. how much does siobhan make per hour?

If Priya makes 20% more than James and Siobhan makes 15% less than Priya, then it follows that Priya makes 85% of 120% of James' hourly wage. Which is to say that Siobhan makes 85% of $9.60 per hour. Since 85% of $9.60 is $8.16, this means that Siobhan makes $8.16 an hour.