what percent of 21.5 is 55.04... % = x....because this is what we r looking for is = 55.04 of = 21.5 now we sub into the formula 55.04 / 21.5 = x / 100 cross multiply because this is a proportion (21.5)(x) = (100)(55.04) 21.5x = 5504 x = 5504 / 21.5 x = 256 <== so ur answer is 256%
