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Mathematics, 30.08.2017 06:26 jhuss03

Cheyenne is playing a board game. her score was −220 at the start of her turn, and at the end of her turn her score was −390. what was the change in cheyenne's score from the start of her turn to the end of her turn?

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Cheyenne is playing a board game. her score was −220 at the start of her turn, and at the end of her...
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