Right scalene triangle is formed for given side lengths
Let x be the number of adult tickets sold and 84 - x be the number of children tickets.
105x + 60(84-x) = 7155
Once you find x (number of adult tickets), find the children tickets with 84 - x
F=-3/5 or -0.6
i used photomath to get this answer if that helps if not sorry
Use a caculater shjsjsvshjsjeveujevee