Which equation can we use to find how long Tony was biking before Terry caught up to him?

What properties allow transformation to be used as a problem solving tool

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

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2