Question

(b) If 5a = 4b and 8b = 3c, find a: b: c.

Answer 1

Step-by-step explanation:

Taking the LCM of 33 , 22 & 55 , we get 3030 .

Therefore,

30A10=30B15=30C630A10=30B15=30C6

Dividing all by 3030 , we get,

A10=B15=C6=kA10=B15=C6=k (say)

A10A10 =k=k

=>A=10k=>A=10k

B15B15 =k=k

=>B=15k=>B=15k

C6C6 =k=k

=>C=6k=>C=6k

Now,

A:B:C=10k:15k:6kA:B:C=10k:15k:6k

Removing kk ,

A:B:C=10:15:6A:B:C=10:15:6

Answer 2

Answer:

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