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Mathematics, 19.04.2020 19:53 cruzsuarezjanca

Mary has rehearsed her ballet solo for five and a half hours. A week from now,
she wants to have rehearsed at least a total of nineteen and a half hours. If she
rehearses for the same amount of time each day for the next 7 days, at least
how many hours must she rehearse per day?
hours

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Mary has rehearsed her ballet solo for five and a half hours. A week from now,
she wants to ha...

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