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melamori03 [73]
3 years ago
10

 I will give you brainliest if you answer this ASAP 

Biology
1 answer:
givi [52]3 years ago
3 0

Answer:

400

Explanation:

Because if you pull one black marble out of four and there are 100 black marbles then there is 300 others, so in total it would be 400 marbles.

thanks if i'm given brainliest!!!

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