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Arada [10]
3 years ago
8

A bag contains white marbles and green marbles, 59 in total. The number of white marbles is 7 more than 3 times the number of gr

een marbles. How many white marbles are there?
Mathematics
1 answer:
11Alexandr11 [23.1K]3 years ago
8 0

Answer:

Let x = number of white marbles and y = number of yellow marbles.

x + y = 57  => x = 57 - y

Also, x = 3 + 5y

Substitute x for y.

57 - y = 3 + 5y => 57 - 3 = 54 = 6y

So, y = 9

Since x (our answer) = 3 + 5 (9),

x = 48.

Check: 48 + 9 = 57 total

Step-by-step explanation:

Mark me as brainliest pls :)

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Answer:

P = 0.05

Step-by-step explanation:

12 months * 30 days each = 360 days

From 306 days, we have to select 8 days = 360C8 ways(Total ways)

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Therefore P = Number of ways of selecting each days from different month / Total number of ways

P = 12C8 * 30^8 / 360C8

P = 495 * 656100000000 / 6469697679132645

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