Respuesta :
Answer:
Let a = 9x, then b = 4x
Let b = 5x, then c = 3x
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Then a-b = 5x and b-c = 2x
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So (a-b):(b-c) = 5x/2x = 5:2
Step-by-step explanation:
Answer:
Let a = 9x, then b = 4x
Let b = 5x, then c = 3x
-----
Then a-b = 5x and b-c = 2x
---
So (a-b):(b-c) = 5x/2x = 5:2
Step-by-step explanation: