I. 15/(√x)+9/(√x)=11√x
II. (√y)/4 + (5√y)/12 = 1/(√y)
I. (15 + 9)/(√x) =11√x 24/(√x) = 11√x ⇒ 24 = 11x ⇒ x = 24/11 II. (3√y + 5√y)/12 = 1/(√y) (8√y)/12 = 1/(√y) ⇒ 8y = 12 ⇒ y = 12/8 Hence, x > y
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