Tim spends about 1/3 of each weekday sleeping and about 7/24 of each weekday in school. what fraction of tim spends about 1/3 of each weekday sleeping and
about 7/24 of each weekday in school. what fraction of weekday does tim spend either sleeping or in school? weekday does tim spend either sleeping or in school? is this more or less than 1/2 a day? how much more or less?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z