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Mathematics, 01.07.2019 12:00 gobbler80

Shilpa bought 30 t-shirts at a clothing store. 20% of the t-shirts were blue and 1/2 of the t-shirts were black. how many of the t-shirts were neither black nor white?

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Shilpa bought 30 t-shirts at a clothing store. 20% of the t-shirts were blue and 1/2 of the t-shirts...
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