if the compound ratio of 7:5 and 8:x is 84:60 then the value of x is what
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the compound ratio of 7:5 and 8:x is 84:60
(7×8:5×x)=84:60
56:5x=7:5
5x×7=56×5
x=8
(7×8:5×x)=84:60
56:5x=7:5
5x×7=56×5
x=8
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