Question

The ratio compounded of 4:9, the duplicate ratio of 3:4,the triplicate ratio of 2:3 and 9:7​

Answer 1

Answer:

Duplicate ratio of 3:4 = 9:16

Triplicate ratio of 2: 3 = 8 : 27

$= \frac{4}{9} \times \frac{9}{16} \times \frac{8}{27} \times \frac{9}{7} \\ = \frac{2592}{27216} \\ = \frac{2}{21}$