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lesya [120]
3 years ago
15

A bag contians 5 blue and 8 red and 7 green marbels. A marble is selacted at random. Find the propobility the marbelis not red.

Mathematics
2 answers:
matrenka [14]3 years ago
6 0

Answer:

33%

Step-by-step explanation:

This is because there are three different types and 33 x 3 = 99 and that is close to 100%.

sammy [17]3 years ago
3 0

Total number of marbles = 5 + 8 + 7 = 20

Total number of non-red marbles = 5 + 7 = 12

P(not red) = 12/20 = 3/5

-

Answer: 3/5

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