Help me with my geometry please it’s due tomorrow i don’t understand this number 7 and 8 please

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Collin did the work to see if 10 is a solution to the equation r/4=2.4

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?