Question

if the compound ratio of 7:5 and 8:x is 84:60 find x​

Answer 1

Answer:

x=8

Step-by-step explanation:

We have,

Compound ratio of 7:5 and 8:x=84:60

7xX:5x8=84:60

7x:40=84:60

Product of extreme=product of means

7x×60=40×84

40×84/60=7x

7x=56

x=8

Hence this is the answer