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Question
Find the ratio compounded at a : b, b : c, c : d
Sum
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Solution
Compounded ratio = `a/b xx b/c xx c/d`
= `(a xx b xx c)/(b xx c xx d)`
= `a/d`
∴ The compounded ratio is a : d
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Chapter 7: Ratio and proportion - Exercise 7A [Page 116]
