miperla47
miperla47
19-11-2014
Mathematics
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12 is 25% of what number using a ratio table
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apologiabiology
apologiabiology
19-11-2014
% means 'parts out of 100' so
25%=25/100
is 12 is 25 parts out of 100 of a number
so 12=(25/100)x
25/100 simplifies to 1/4
or if 12=(1/4)x
we multiply both sides by 4 and get
48=1x
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