Mathematics, 01.07.2019 07:30 Haywood82
Maria comprou 21 metros de corda. depois comprou 33 metros do mesmo tipo de corda, pagando r$ 9,60 a mais do que pagou na primeira compra. se, nas duas compras, cada metro de corda custou a mesma quantia, quanto maria pagou na primeira compra? (a) r$ 6,10 (b) r$ 16,80 (c) r$ 19,20 (d) r$ 26,40 (e) r$ 201,00
Answers: 2
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Maria comprou 21 metros de corda. depois comprou 33 metros do mesmo tipo de corda, pagando r$ 9,60 a...
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