Please Help ASAP I’m confused

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose

Which option identifies how kevin should proceed in the following scenario? four years ago kevin designed an mp3 player for young children. now that technology has changed, he would like to update his design to ensure that it encompasses cutting-edge techniques. by creating a third-angle projection of his ideas by designing an isometric projection of his new ideas by referring to past designs and illustrations of his original model by conferring with engineers who have improved upon similar devices