Answer: " y : x : : 5 : 4 " .
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The answer is: " 5 : 4 " ; or, write as: " [tex] \frac{5}{4} [/tex] ."
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Explanation:
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Given:
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x : y : : 4:5 ;
What is: " y: x " ?
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Given: " x : y " ; " y : x " is the "inversion" of: " x : y " ;
If " x : y = 4 : 5 " ; then: x = 4 ; and y = 5 .
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→ y : x : : 5 : 4 ;
The answer is: " 5 : 4 " ; or, write as: " [tex] \frac{5}{4} [/tex] ."
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