Ratio word problem illustrating how adding 12 red marbles changes the ratio of green to red marbles from 2:1 to 4:5, using bar models to solve for the number of green and red marbles.
A visual explanation of a ratio word problem showing the change in the ratio of green to red marbles from 2:1 to 4:5 after adding 12 red marbles, with bar models and calculations.
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ID: #730157