the weight of my friend ayesha and refique together are 85kg .
the half of weight of ayesha is equal to 4/9of weight of refique .
let us calculate their weight by simultaneus equation
the half of weight of ayesha is equal to 4/9of weight of refique .
let us calculate their weight by simultaneus equation
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y=wt of refique
x+y=85
x=4/9y
4/9y+y=85
4y+9y=765
y=765/13
x=340/13