Jeremy bought 5.6 pounds of chocolate. Jeremy's friend Susan bought twice as much chocolate as he did. How much more chocolate did Susan have than Jeremy?

Well if Jeremy bought 5.6 pounds then that means that Susan bought 11.2 pounds. So simply subtracting 5.6 from 11.2 will give you your answer which is 5.6. Personally I think they need to cut back on the chocolate that's a bit much