James, Priya, and Siobhan work in a grocery Store. James makes $9.00 per hour. Priya makes 20% more than James, and Siobhan makes 15% less that Priya. How much does Siobhan make per hour?
James has $9 Priya has $10.80 Siobhan has $9.18 because 9*20% is 1.8 so add that to 9 to get 10.80 then times 10.80 by 15% to get 1.62 so you subtract 1.62 from 10.80 to get $9.18