A different jar has 100 black marbles. (The total number of marbles is unknown.) If you pull 4 marbles out and 1 is black, what is your guess for the total number of marbles?

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Answer:

400 marbles

Explanation:

The  total number of marbles should be 400.

Given that,

  • A different jar has 100 black marbles. (The total number of marbles is unknown.)
  • If you pull 4 marbles out and 1 is black.

Based on the above information, the calculation is as follows:

[tex]= 100 \times 4[/tex]

= 400

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