Question

if A:B=4:9 and A:C =2:3, find:
1) B:C
2) A:B:C

Answer 1

Here is ur answer in the photo



Hope it helps

Answer 2

Answer

A:B = 4:9

=> A = 4x

=> B = 9x &

A:C = 2:3

=> A = 2x

=> C = 3x

but since in the first case A = 4x, therefore we will multiply 2x & 3x with 2

Now

B:C = 9:6

A:B:C = 4:9:6