E
(a) Find the position of second quartile in a data having 7 terms.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

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?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)