Answer:
Ok 1 is 54 yards 2 is 225 KM 3 64 Ft
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16 bc all sides of a square are congruent and area = LxW so 4x4=16
25/12.5 = 40/y
cross multiply
(25)(y) = (12.5)(40)
25y = 500
y = 500/25
y = 20 <====