There are 20
%
20%20, percent more goblins than wizards in magic club. There are
120
120120 goblins in magic club.
How many wizards are in the magic club?

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices

Ineed with question three. i don't understand how i'm supposed to achieve 3 marks.