Find the surface area of the prism

Which equation expression the relationship between the number of boxes b and the number of cans c and the proportion is 48

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?