Which one would you pick and why? How much money do you end up with in each class?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Ithink i know it but i want to be sure so can you me out ?

Acarton of juice contains 64 ounces miss wilson bought six cartons of juice how many ounces of juice did she buy