
Matemática financeira
Flashcard
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
Suzana Silva
FREE Resource
Student preview

11 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Um notebook custa R$ 2.400,00. Com aumento de 25%, qual será o novo preço e o fator de acréscimo?
Back
R$ 3.000,00 e fator 1,25
2.
FLASHCARD QUESTION
Front
Um tênis de R$ 320,00 teve desconto de 15%. Qual o novo preço e o fator de decréscimo?
Back
R$ 272,00 e fator 0,85
3.
FLASHCARD QUESTION
Front
João investiu R$ 15.000,00 e Pedro R$ 25.000,00 em uma lanchonete. O lucro foi de R$ 20.000,00. Quanto cada um deve receber?
Back
João: R$ 7.500,00; Pedro: R$ 12.500,00
4.
FLASHCARD QUESTION
Front
Um carro custa R$ 48.000,00 e sofreu desvalorização de 18% após um ano. Qual o novo valor e o fator de decréscimo?
Back
R$ 39.360,00 e fator 0,82
5.
FLASHCARD QUESTION
Front
Um curso online custa R$ 450,00. Em promoção, teve desconto de 40%. Qual o novo valor e o fator de decréscimo?
Back
R$ 270,00 e fator 0,60
6.
FLASHCARD QUESTION
Front
Dividir 60 pontos extras proporcionalmente às notas 80, 70 e 50.
Back
24; 21; 15
7.
FLASHCARD QUESTION
Front
Três operários dividem R$ 1.200,00 por um serviço. Sozinhos, levariam 6, 9 e 18 dias. Dividindo de forma inversamente proporcional aos dias, quanto cada um recebe?
Back
R$ 600,00; R$ 400,00; R$ 200,00
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