Question

If a :b =5:6 and b:c =2.8 :3.5


Answer in ratio method only please

Answer 1

Answer:

Step-by-step explanation:

Thanks for the A2A.

a/b=3/5  

Let's calculate b.

b=5a/3  

a/c=5/7  

Let's calculate c.

c=7a/5  

b/c=5a/3/7a/5  

b/c=5a/3∗5/7a  

b/c=25/21

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Answer 2

Step-by-step explanation:

5:6and2.8:3.5 then it means

a:b::b:c

Product of mean and Product of extreme

Mean are 6 and 2.8

Extreme are 5 and 3.5 so the multiplication of there will be

17.5:16.8