Na sala de aula, a professora descobriu que 40% dos alunos são corintianos, 30% torcem pro São Paulo, 30% são palmeirenses. Sabendo que existem 40 alunos na sala, quantos torcem para o São Paulo?

Noção de porcentagem

Quiz
•
Financial Education
•
10th Grade
•
Hard
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
24
20
16
12
8
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Maria comprou um vestido à vista para ganhar um desconto de 5% no valor original dele. Se o vestido custa R$ 60,00, quanto Maria pagou?
R$ 59,50
R$ 58,80
R$ 58,20
R$ 57,60
R$ 57,00
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Maria comprou um vestido à vista para ganhar um desconto de 5% no valor original dele. Se o vestido custa R$ 60,00, quanto Maria pagou?
R$ 59,50
R$ 58,80
R$ 58,20
R$ 57,60
R$ 57,00
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Três é quantos porcento de cinco?
90%
80%
70%
60%
50%
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O símbolo x% representa a fração:
6.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
A porcentagem de 62% pode ser representada por:
(+ de 1 resposta certa)
0,062
0,62
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Para calcular 15% de 72 reais, podemos efetuar:
(+ de 1 resposta certa)
1,5·72
0,15·72
8.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Quanto vale 3% de 300?
3
10
30
90
9
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