for Q94: 94、DS:There are kinds of cars with colors of white, blue and red. The models are large size, middle size and small size. Ask: how many white cars with large size. (C) A) there are 31 white cars, 17 blue cars and 12 red cars. B) the large size models have no blue and red cars; there are less middle size and small size cars than large size cars. horsefish:同意 is E possible? because from condition B, we can infer that 30 white cars are large, and 1 white car could be either middle or small; as a result 30 : 30 still fits the condition, right? |