Urgent! Please just give me the answers to the solution part.
You don’t have to explain

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?

What is the distance between point a and b

The sum of these consecutive integers is equal to 9 less than 4 times the least of the integer. find the three integers