Working simultaneously, four fudge machines complete a big order in 32 hours. All the machines at the fudge factory work at the same pace.
T
How many hours would it take to complete the order with 4 times the number of
machines?

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