Excellent, Vanisha.I estimated 12 erasers.
10 is to small and 30 is to big and my estimate is 20.
Good to do the too small and too big as well! I should have done that!
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I deleted this comment, Vanisha, so that other people can estimate without any extra information!
I think 9 is too small and 25 is too big my estimate is 20.
Thank you for providing an eraser to help us understand the scale of the box. I think 10 is too small and 25 is too big. How did I do?