Question

If a: b = 2:5 and b: c = 3:4, find a:c.
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Answer 1

Answer:

Step-by-step explanation:

a: b = 2:5= 6:15

b: c = 3:4= 6:12

a:c = 15:12 = 5:4

Answer 2

First, multiply the terms each ratio by factors so that the ‘B’ terms become equal:

A:B = 2:5 = 6:15

B:C = 3:4 = 15:4

Now you can see that

A:B:C = 6:15:4

⟹A:C = 6:4

= 3:2 ans.

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