SOLUTION: Twenty-eight students in a class each select 2 gloves from a box containing red and green gloves. If 20 students have gloves that are both the same colour, how many students have a

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Question 277970: Twenty-eight students in a class each select 2 gloves from a box containing red and green gloves. If 20 students have gloves that are both the same colour, how many students have at least one green glove?
A 8 B 15 c 20 D 28 E none of the above

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
the eight students without pairs must have one of each and so have at least one green glove.
The 20 students who have matched pairs may have two red or two green.
We are sure that 8 have at least one green
the other 20 may have two green or two red.