Question

if a:b=2:3 and b:c=5:7 then find a:b:c plssssss​

Answer 1

Answer:

a:b = 2:3.........(i)

b:c = 5:7. ...... (ii)

multiply (ii) b to (i) equation

5(2:3) = 10:15

multiply (i) b to (ii) equation

3(5:7) = 15:21

here b is constant now

so, a:b:c = 10:15:21

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Answer 2

The answer should be 10:15: 21

Step by step explanation
Lcm of 3 and 5 is 15 so we will multiply-

5(2:3) = 10:15

3(5:7) = 15 : 21

So now the answer is 10:15:21