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Question
Find the duplicate ratio of 5x : 6y
Sum
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Solution
The duplicate ratio of 5x : 6y = `((5x)/(6y))^2`
= `(5x)/(6y) xx (5x)/(6y)`
= `(25x^2)/(36y^2)`
= 25x2 : 36y2
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Chapter 7: Ratio and proportion - Exercise 7A [Page 116]
