Question

The compound ratio of $3:4$ and the inverse ratio of $4:5$ is $45:x$. Find $x$.

Answer 1

X = 48

Step-by-step explanation:

Compound ratio = 3 × 5 : 4 ×4

15 :16

45: X and 15:16

45/15 = X/16

3 = X / 16

X = 3× 16

X = 48.