Tickets to a baseball game cost $4 for adults and $2 for children write an expression that gives the total cost for adults and children what is the total cost for a family of two adults and three children to atttend the game

The perimeter of an equilateral triangle is 4 cm more than the perimeter of a square and the length of a side of the triangle is 8 cm more than the length of a side of the aware. find the length of a side of the equilateral triangle