If x = 2/5 , Y = 15/20 then find xy - y/x
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Answer:
(2\5x15\20)-(15\20)\(2\5)
=(2\5x3\4)-(3\4)\(2\5)
=6\20-(3\4x5\2)
=3\10-15\8
=24-150 by80
=-126\80
=-63\80
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