theriTovprett theriTovprett

07-01-2017
Mathematics

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Harrison has a total of 30 red and green bowling balls at his bowling alley. Each red ball weighs 8lbs and each green ball weights 9 lbs. If the total mass of green balls is 49 lbs heavier than the total mass of red balls, how many red balls does he have.

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Iknowit Iknowit

07-01-2017

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