Can anyone help me? If u answer I will mark u BRAINLIST!! You have to put the percents in the boxes below the image. It is math and science

Thank you!

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?

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.