Mathematics, 23.07.2019 02:00, sciencegeekgirl2017

Shira is decorating a room with green and purple balloons. she wants to use 4 green balloons for every 5 purple balloons. how many purple balloons will she need if she uses 20 green balloons? use a double number line to solve.

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Shira is decorating a room with green and purple balloons. she wants to use 4 green balloons for eve...