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yKpoI14uk [10]
2 years ago
5

12d 14:16:08

Mathematics
1 answer:
GREYUIT [131]2 years ago
5 0

Montando uma expressão para a situação, tem-se que Pedro recebeu 3y - 45 de troco.

----------------

  • O preço total do produto comprado por Pedro é de 45 reais.
  • Pedro pagou em 3 notas de y reais, ou seja, o valor do pagamento é de 3y.
  • O troco é dado pelo excedente do pagamento em relação ao preço total, ou seja, a subtração de 3y por 45.
  • Ou seja, a expressão que representa o troco é: 3y - 45.

Um problema similar é dado em brainly.com/question/21496824

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