Question 1035955
To find the new length, we use a proportion, calling it x we have
{{{25/20 = 30/x}}}
25x = 600
x = 24 feet
Thus the new dimensions will be 30 by 24 feet...the perimeter of such a rectangle is given by
P = 2L + 2W = 2(30) + 2(24) = 108 feet of rope