Mathematics, 29.10.2019 04:31 allycoops666666
Sophia gave 1/2 of her semi-precious-rock collection to her son. she gave 1/2 of what she had left to her grandson. then she gave 1/2 of what she had left to her great-grandson. she kept 10 rocks for herself. how many rocks did she have in the beginning?
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Sophia gave 1/2 of her semi-precious-rock collection to her son. she gave 1/2 of what she had left t...
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