Answer:
the number of feet of fencing she would need to enclose her garden 250 feet.
Explanation:
L= length, B = breadth
LB=2500 (AREA)..............................i)
B=4L....................................................ii)
substitution:-
L x 4L = 2500
L^2 = 2500/4
L= 25
B=4L
=4x25
=100
L=25, B=100
hence,
peri= 2(L+B)
= 2(125)
= 250 feet.