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Sticky Note
A:B = 2:3, B:C = 3:4, A:D = 4:5. Find C:D?
  1. 2:5
  2. 8:5
  3. 4:5
  4. None of these
Explanation

A/B = 2/3

B/C = 3/4

A/D = 4/5

We can start by finding the relationship between B and D:

B/A = 3/2 (inverse of A/B)

A/D = 4/5

Multiplying these two fractions, we get:

B/D = (3/2) × (4/5) = 12/10 = 6/5

Now, we can find C/D:

C/D = (C/B) × (B/D)

= (4/3) × (6/5)

= 8/5

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