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erma4kov [3.2K]
3 years ago
11

Sam chose one marble from a bag containing 2 red marbles, 3 white marbles, and 10 black marbles. Find the probability that the m

arble sam chose was black?
what is the answer to the problem.
Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0

Answer:

P(black) = 2/3

Step-by-step explanation:

We need to find the total number of marbles

2 red marbles+ 3 white marbles+ 10 black marbles = 15 marbles


To find the probability that Sam chose a black marble, we take the number of black marbles and divide by the total number of marbles

P(black) = black marbles/total marbles

            = 10/15

Divide the top and bottom by 5

            = 2/3

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Answer: 321 adult tickets and 227 children tickets were sold.

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Let x represent the number of adult tickets that were sold.

Let y represent the number of children tickets that were sold.

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Adult tickets sell for $6.50 each, and children's tickets sell for $3.50 each. The total ticket sales was $2881. This means that

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x = 321

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