
Desvendando a Regra de Três
Authored by PATRICIA ENGEL
Mathematics
8th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 5 lápis custam R$ 15,00, quanto custarão 8 lápis, considerando o mesmo preço unitário?
R$ 18,00
R$ 24,00
R$ 20,00
R$ 30,00
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Em uma fábrica, 4 máquinas produzem 120 peças em 3 horas. Quantas peças 6 máquinas produzirão no mesmo tempo?
180 peças
240 peças
200 peças
150 peças
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 3 metros de tecido custam R$ 45,00, qual é o preço de 7 metros do mesmo tecido?
R$ 70,00
R$ 90,00
R$ 105,00
R$ 120,00
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma receita pede 500 g de farinha para fazer 20 pães. Quantos gramas de farinha são necessários para fazer 50 pães?
1.000 g
1.250 g
1.500 g
2.000 g
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 8 operários constroem um muro em 12 dias, em quantos dias 6 operários construirão o mesmo muro, trabalhando no mesmo ritmo?
14 dias
16 dias
10 dias
18 dias
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
35
28
30
25
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Se 2 litros de tinta pintam 12 m² de parede, quantos metros quadrados serão pintados com 7 litros?
42 m²
36 m²
48 m²
56 m²
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