The faa now figures the average checked bag to weigh 11 pounds.this is up from previous figure of 10 pounds. find the amount of increase

-- The amount of increase is (new value) - (old value)

(11 pounds) - (10 pounds)  =  1 pound .

-- The fraction of increase is (amount of change) / (old value)

(1 pound) / (10 pounds)  =  1/10  or 10%

Dinosaurs were common in the Jurassic period, but during the Cretaceous period they went extinct. Pangaea had fully split by the Cretaceous period and angiosperms had developed. Hope this answers the question. Have a nice day. Feel free to ask more questions.