Question

The compound ratio of 5:8 and 3:7 is 45:x find the value of x
Answer
The compound ratio a/b × c/d = ac/be
The compound ratio of 5:8 and 3:7
= 5/8 × 3/7 = 15/56
According to the sum 15/56 = 45/x
15 × x = 45 × 56
x = 45×56/15
x = 3×56 = 168​

Answer 1

Answer:

24

Step-by-step explanation:

product of means =product of extremes

7×5=8×3