Mathematics, 21.07.2019 14:30 maxB0846
Bill buys a red marble and a blue marble. if the total weight of 3 such red marbles and 2 such blue marbles is 84g, and the total weight of 12 such red marbles and 5 such blue marbles is 282g, what is weight of the red marble and the blue marble respectively?
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Bill buys a red marble and a blue marble. if the total weight of 3 such red marbles and 2 such blue...
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