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On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?
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Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of
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Mathematics, 22.06.2019 00:00
240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities
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What are a and b worth in abxaxb=bbb...
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