1972066011 1972066011 26-10-2022 History contestada StartFraction 13.5 Over 90 minus x EndFraction = StartFraction 25 Over 100 EndFraction StartFraction 13.5 Over x EndFraction = StartFraction 25 Over 100 EndFraction 13.5 (90 minus x) = 0.25 13.5 (90 minus x) = 25