Let one side of the square be x all sides of the square are equal A=x•x(area formula of a square) 240.25 = x^2 so then the lengths of the sides of the square is 15.5 in
637 is the answer because our value is 980 we all know the unknown value with x for the step above 980 and 100% and 65% is the result in a pair of a simple equations
