Revisão de Porcentagem.
Interactive Video
•
Mathematics
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8th Grade
•
Practice Problem
•
Hard
SANDRO LUIZ ROSA ABLE
Used 1+ times
FREE Resource
5 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Em substância de 40 gramas são encontrados 60% de magnésio. Quantos gramas de magnésio são encontrados nessa substância?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma avaliação de Matemática com 30 questões, Júlia acertou 70% e Mariana acertou 4/5. Quantas questões Mariana acertou a mais do que Júlia?
5
6
3
2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O preço de custo de uma estante é R$ 280,00. O comerciante estipula um lucro de 30% sobre o preço de custo. Por quanto ele deve vendê-la?
354 reais
380 reais
310 reais
364 reais
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Uma camiseta custa R$ 26,90 e está sendo vendida com um desconto de 20%. Qual o preço da camiseta durante a promoção?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma camiseta que custava R$60,00 teve 2 reajustes sucessivos em uma semana, o primeiro foi um aumento de 4% e o segundo, outro aumento de 8%. Qual o preço final após os reajustes?
67,39 reais
69,37 reais
70 reais
66 reais
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