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3 years ago

HELPPPP ME PLSSS DUE IN 10 MINS FOR 20 POINTS

Mathematics

2 answers:

sergiy2304 [10]3 years ago

8 0

Answer: 3/5

Step-by-step explanation:

Probabilty of blue tiles: 12/20 =3/5

Probability of letter b tiles: 10/20= 1/2

How to get the denominator?

4+6=10

2+8=10

10+10=20

Marina86 [1]3 years ago

7 0

Answer:

70%

Step-by-step explanation:

Let's list the 4 types of tiles by color and letter:

4 blue tiles with A

6 red tiles with A

2 red tiles with B

8 blue tiles with B

total number of tiles: 4 + 6 + 2 + 8 = 20

Number of tiles that are either blue or have the letter B (lines in bold above) = 14

p(blue or B) = 14/20 = 7/10 = 7/100 = 70%

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