Trying to my son with his 4th grade math. so, in mark's collection of antique bottles, 1/2 of the bottles are dark green. write three equivalent fractions for 1/2.

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