74. From a bag, $60 \%$ of the flour it contained was taken, and then $25 \%$ of the remainder. What percentage of the original amount of flour is left in the bag?
74. After taking $60 \%$ of the flour from the bag, $40 \%$ remained. When $25 \%$ of the remainder, i.e., a quarter of it, was taken, $30 \%$ of the original amount of flour remained in the bag.