Mathematics
Mathematics, 08.07.2019 04:30, arielove62

Nina completed a third of her homework problems. but one-half of all the problems she solved had incorrect answers. if 7 of the problems she solved had correct answers, then how many problems are in her homework?

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Mathematics, 27.06.2019 03:30, 10040816
In the first week students at rsm solved 25 percent of their monthly quota of problems. in the second week, they solved 110 percent of the number of problems solved in the first week. in the third week they solved 60 percent of the number of problems they had solved in the first two weeks and, in the fourth week, they solved the remaining 320 problems. how many problems did students solve in the four-week month?
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Mathematics, 08.07.2019 02:00, tyree111
Nina completed a third of her homework problems. but one-half of all the problems she solved had incorrect answers. if 7 of the problems she solved had correct answers, then how many problems are in her homework?
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Mathematics, 08.07.2019 12:00, alexialiles19
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