Question

If A/3= B/4 = C/5, find A:B:C

Answer 1

Answer:

20a:15b:12c

Step-by-step explanation:

Answer 2

Answer:

A:B:C=3:4:5

Step-by-step explanation:

So we have A/3=B/4=C/5

We equate it all to a value X

∴ A/3=B/4=C/5=X

Now we take the values one after the other

A/3=X

A=3X

B/4=X

B=4X

C/5=X

C=5X

∴A:B:C=3:4:5