Question

If A : b =3 : 5 and b : C = 10 :13 find a: b: c​

Answer 1

Answer:

a=3x b=15x c=13x (here x is the number to find abc

Answer 2

Answer:

I have a short trick for you

when a:b and b:c are given and asked find a:b:c

then write like the following

a:b= 3:5

b:c=   10:13

then here a:b:c= 3*10:10*5:5*13

thus a:b:c= 30:50:65

when simplified we get 6:10:13

so here trick is multiply a* 2nd b: 2nd b* 1st b: 1st b*c

hope it helps, plz mark as brainliest