A bag contains blue marbles and red marbles, 21 in total. The number of blue marbles is 9 less than 2 times the number of red marbles. How m

Question

A bag contains blue marbles and red marbles, 21 in total. The number of blue marbles is 9 less than 2 times the number of red marbles. How many blue marbles are there?

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Adeline 1 week 2021-11-17T14:14:41+00:00 1 Answer 0 views 0

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    2021-11-17T14:16:09+00:00

    Answer:

    11 marbles

    Step-by-step explanation:

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45:7+7-4:2-5:5*4+35:2 =? ( )