a box of colored pencils contain exactly 6 red pencils. The probability of choosing a red pencil from the box is 2/7. How many of the pencils in the box are NOT red?

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Answer:

15

Step-by-step explanation:

You have to find the total number of crayons whcih will be 21.

Then you do 21-6 ( red pencil) to get 15

15 pencil not read.