Aperson can pay $35 for a membership to the museum but then go to the museum for just four dollars per visit. what is the maximum number of visits a member of the history museum can make for a total cost of $50

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