% 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
We found that the number for which 12 is 25% is 48. This was determined by solving the equation 12 = 0.25 × x . The calculation confirmed that 0.25 × 48 = 12 .
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