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there are 7 blue and 2 red marbles in a bag. what is the probability of getting two blue marbles in a row? express as a fraction​

there are 7 blue and 2 red marbles in a bag what is the probability of getting two blue marbles in a row express as a fraction class=

Respuesta :

Answer:

7/12

Step-by-step explanation:

7/9 times 6/8 (which is simplified to 3/4) comes out simplified to 7/12. You would do this because you have 7 blue marbles and 9 total marbles at first, then you take one of each away. You want to find the probability, so you multiply both fractions

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