Mathematics, 25.08.2019 23:30, landofliam30

Ken spends 1/5 of his money on a dictionary. he gives $21 to his brother and has1/2 of his money left. how much money does ken have left?

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Ken spends 1/5 of his money on a dictionary. he gives $21 to his brother and has1/2 of his money lef...