Martin makes b bags of snack mix Each bag contains 1.5 lb of nuts and 0.75 lb of dried fruit
what does the expression 1.5b + 0.75b
A. the weight of 2.25 bags of martins snack mix
B. the total weight of all the bags of martin snack mix
C. the number of bags of snack mix martin makes
D. the number of bags that contain 2.25 lb of mix