Sandy says she splits her time on homework as follows: 45 percent on math, 20 percent on science, 18 percent on social studies, and 17 percent on language arts. a. if sandy spends 100 hours on homework ove a month, predict how much time she spend on each subject. b. if sandy only spends 75 hours on homework over a month, predict how much time she spends on each subject to the nearest tenth of an hour.