50 points please help. i need the answers for A through e. i got 30, 60, 11, 80, and 8 but its saying theyre wrong. im not really sure what i did wrong tho. thanks!

50 points please help i need the answers for A through e i got 30 60 11 80 and 8 but its saying theyre wrong im not really sure what i did wrong tho thanks class=