We are given the number of Blue and Purple Marbles for each of the four friends. So first we have to find the ratio of blue marbles to purple marbles for each of them.

A) Rosa

Number of blue marbles = 10

Number of purple marbles = 12

Ratio of blue to purple marbles = $\frac{10}{12}=0.833$

B) Chi

Number of blue marbles = 5

Number of purple marbles = 6

Ratio of blue to purple marbles = $\frac{5}{6}=0.833$

C) Alberto

Number of blue marbles = 5

Number of purple marbles = 12

Ratio of blue to purple marbles = $\frac{5}{12}=0.417$

D) Pedro

Number of blue marbles = 10

Number of purple marbles = 6

Ratio of blue to purple marbles = $\frac{10}{6}=1.667$

From the above calculations we can see that Pedro has the highest value of ratio for blue marbles to purple marbles. Also we can see Pedro is the only one for whom the number of blue marbles is more than the number of purple marbles. So this confirms that our calculation is correct.

Thus, the player which gets to go first is Pedro.

4 0

3 years ago

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A die with 12 sides is rolled. What is the probability of rolling a number less than 11?

jeyben [28]

Answer:

83 1/3%

Step-by-step explanation:

List the possible answers.

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12

There is 12 possible results. Now count how many of those results are less than 11. The answer is 10. 10/12 results are less than 10. 10 divided by 12 is 83 and 1/3.

5 0

3 years ago