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Mathematics, 23.04.2021 05:00 parkerfreeze

Lucy Lou went shopping a Hollister with her friends. Together they spent a mean price of $40 on sweaters. The first 7 sweaters cost $50, $55, $30, $35, $39, $40 and $42. How much, in dollars does the 8th sweater cost?​

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Lucy Lou went shopping a Hollister with her friends. Together they spent a mean price of $40 on swea...
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