Respuesta :

Kalahira
Answer : 1/4 Total number of marbles = 40 number of red marbles = 10 Probability of an event =Number of favorable events /Total number of events Probability of getting a red marble = 10C1/40C1 = 10/40 = 1/4 or 25%

Answer:

10/40

Step-by-step explanation:

There are 10 red marbles out of a total of 40 marbles.

10 red marbles + 30 blue marbles = 40 total marbles.

If you are required to reduce fractions, then it would be 1/4

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