Mathematics, 24.11.2019 05:31 anthonyfr10004

There are 10 blue marbles, 8 pink marbles, and an unknown amount of green marbles. how many marbles are in the bag if there are 30 marbles in total?

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There are 10 blue marbles, 8 pink marbles, and an unknown amount of green marbles. how many marbles...

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