Question

3:4 and inverse ratio is 4:5is 45:x

Answer 1

Step-by-step explanation:

since the compound ratio of 3:4 and the inverse ratio of 4:5 is 45:x .

inverse ratio of 4:5= 5:4

And compound ratio of 3:4 and 5:4 means product of the two ratios.

According to questions,

3/4 ×5/4

15/6= 45/x

x=16× 45/15

x=48