If x:y =5:3 , then (8x-5y) : (8x +5y) =?
If x:y =5:3 , then (8x-5y) : (8x +5y) =? Correct Answer 5 : 11
xy = 53⇒8x5y = 5×83×5⇒8x - 5y8x + 5y = 40 - 1540 + 15⇒8x - 5y8x + 5y = 2555⇒8x - 5y8x + 5y = 511
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Feb 20, 2025