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Mathematics, 01.07.2019 12:00 salvadorperez26

Heather, brian, and austin sent a total of 97 messages over their cell phones over the weekend. heather sent 7 fewer messages than brian. austin sent 3 times as many as heather. how many messages did they each send?

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Heather, brian, and austin sent a total of 97 messages over their cell phones over the weekend. heat...
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