What type of triangle is this

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

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?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c