If the compound ratio of 7:5 and 8:x is 84:60. 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
40× 84 / 60 = 7x
7x=56
x=8
Hence, this is the answer.
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