Mathematics, 08.02.2020 14:43, gpere6722

Abag contains blue marbles and red marbles, 42 in total. the number of blue marbles is 3 less than 4 times the number of red marbles. how many blue marbles are there?

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Abag contains blue marbles and red marbles, 42 in total. the number of blue marbles is 3 less than 4...