
Prova de Sistema de Equações
Mathematics
8th Grade
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5 questions
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1.
OPEN ENDED QUESTION
10 mins • 1 pt
Resolva o sistema de equações pelo método da substituição:
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2.
OPEN ENDED QUESTION
10 mins • 1 pt
Resolva o sistema de equações abaixo pelo método da adição.
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3.
DRAW QUESTION
10 mins • 1 pt
Em uma lanchonete, dois salgados e um refrigerante custam R$ 14,00. Já três salgados e dois refrigerantes custam R$ 23,00.
Qual é o preço de um salgado e de um refrigerante?
(Resolva utilizando sistema de equações).

4.
OPEN ENDED QUESTION
10 mins • 1 pt
Um estacionamento cobra valores diferentes para carros e motos.
Sabe-se que 3 carros e 2 motos pagaram R$ 62,00, enquanto 2 carros e 4 motos pagaram R$ 64,00.
Determine o preço cobrado por um carro e por uma moto.
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5.
DRAW QUESTION
10 mins • 1 pt
Uma escola vendeu ingressos para uma festa. Os ingressos para estudantes custam menos que os ingressos para não estudantes.
No total, foram vendidos 120 ingressos, que geraram R$ 1.020,00.
Se cada ingresso de estudante custava R$ 7,00 e o de não estudante custava R$ 10,00:
Quantos ingressos de cada tipo foram vendidos?

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