Question

9m²(m+m^3)=?
If A:B = 3:4 and B:C = 16:5, find A:C.​

Answer 1

Answer:

A/B=3/4

B/C=16/5

multiply them

A/B X B/C=3/4 X 16/5

cut the b

A/C=12/5

so it means

A:C=12:5