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Mathematics, 12.07.2019 01:30 adrianaa34

×question 4 of 8 sara worked 28 hours last week. joan worked 6 hours less than sara, and erin worked half as many hours as joan. how many hours did sara, joan, and erin work last week?

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×question 4 of 8 sara worked 28 hours last week. joan worked 6 hours less than sara, and erin worked...
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