A pencil case contains 7 red and 5 blue pencils. Tom takes them out one by one without looking and puts them on the floor. How many pencils does he need to take out to be sure that he has at least 2 red and at least 3 blue pencils on the floor?
Answers
Answered by
1
Answer: 5
Step-by-step explanation:
2+3=5
Answered by
1
Answer:
Step-by-step explanation:
7, he needs to make sure he has all the colors. so what if on the first 5 pulls he gets all blue? this makes it that the answer is atleast 5. then there are 3 red needed, so he will have 3 red for sure. the question says TO MAKE SURE he has enough. not the quickest solution
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