Cierra has 3 more than one half as many purses as aisha.
define a variable and write an expression to represent the number of purses in cierra's collection. then find the number of purses in cierra's collection if aisha had 12 purses ?

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.