I really need this one answered, I just can’t figure it out.

Which choice represents the sample space ,s for this event

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?

Alogical argument that is presented in graphical form using boxes and arrows is called?