2. If compound Ratio of tis & the inves e Rates of X: 8 15 8460
Find X
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Step-by-step explanation:
We have,
Compound ratio of 7:5 and 8:x=84:60
7×x:5×8=84:60
7x:40=84:60
Product of extremes = product of means
⇒7x×60=40×84
⇒
60
40×84
=7x
7x=56
x=8
Hence, this is the answer.
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