if the compound ratio of 7:5 and 8:x is 84:60. find x.
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Answer:
x=8
Explanation:
Compound ratio of 7:5 and
8:x = 84:60
=> 7:5::8:x = 84:60
=> (7×8):(5x) = 84:60
=>
=> (5x)(84) = 60×56
=> x = (60×56)/(5×84)
=> x = 8
Therefore,
x =8
••••
x=8
Explanation:
Compound ratio of 7:5 and
8:x = 84:60
=> 7:5::8:x = 84:60
=> (7×8):(5x) = 84:60
=>
=> (5x)(84) = 60×56
=> x = (60×56)/(5×84)
=> x = 8
Therefore,
x =8
••••
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