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pychu [463]
3 years ago
9

(please answer !)A box contains 720 marbles. The result of 20 marbles pulled at random from the box is given below. 5 red marble

s, 6 blue marbles, 3 green marbles, 4 black marbles, 2 yellow marbles. Based on this information, how many yellow marbles could be expected in the box?
A) 64 B) 72 C) 88 D) 100

Make sure to check your work! :)
Mathematics
2 answers:
Readme [11.4K]3 years ago
7 0
I believe it would be D. or C.
jek_recluse [69]3 years ago
3 0

Answer: 72

Step-by-step explanation: USA TEST PREP

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Answer:

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Step-by-step explanation:

There are 4 different digits to choose from. Since we want 2-digit number, we will see what digits can we put in place of 1st digit and what digit can we place in place of 2nd digit.

Hence, <u><em>how many digits (from 1,5,6 and 8) can be placed in the 1st digit of the number we want?</em></u>

Any one of the four digits (1,5,6, or 8).

Now, <em><u>How many digits (from 1,5,6 and 8) can be placed as the 2nd digit of the number we want?</u></em>

Any one of the THREE digits (since repetition is not allowed, we disregard the initial digit).

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