Mathematics
Mathematics, 14.08.2021 07:50, louie3262

.. There were 300 square and triangular blocks in a container. The ratio of the number of square blocks to the number of triangular blocks was 7:13. After Vivian took out 35 square blocks from the container and put in some triangular blocks, of the blocks in the container were triangular. (a) How many square blocks were left in the container? (b) How many triangular blocks did Vivian put in?

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