Total amount
rashad works at an appliance store. he earns 10 percent of the total amount he sells. the table shows the amount of sales he made in one day.
what is the total amount of rashad’s sales?
how much does rashad earn from his sales?

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