Mathematics, 21.04.2020 18:07 rakanmadi87

There were 15 marbles in a bag. Each time Dr. Lankford pulled out a marbles she recorded her results and then replaced it in the bag. The results after 40 pulls were 10 blue, 4 red, 12 yellow, and 6 green. How many green marbles could be expected to have been drawn after 140 pulls

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