Question

if the compound ratio of 7:5 and 8:x is 84:60 find x
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Answer 1

Step-by-step explanation:

compound ratio of 7:5=8:x=84:60

7x:40=84:60

product of extremes =product of means

7x*60=40*84

7x=40*84/60

7x=56

x=8

This is the required answer

Hope you understood...