Question

Uma prova de 12 questões está valendo 9 pontos. Complete a tabela acima ⬆⬆

Answer 1

Prova de 12 questões está valendo 9 pontos:

Primeiro vamos reduzir a fração para sabermos o valor de cada questão:

9/12 = 3/4

Significa que cada questão vales 3/4 de pontos, ou seja, 0,75 pontos. 

QUESTÕES CERTAS                                NOTA
0                                                                 0 . 3/4 = 3 ÷ 0 = 0
1                                                                 1 . 3/4 = 3/4 = 3 ÷ 4 = 0,75 
2                                                                 2 . 3/4 = 6/4 = 6 ÷ 4 = 1,5
3                                                                 3 . 3/4 = 9/4 = 9 ÷ 4 = 2,25
4                                                                 4 . 3/4 = 12/4 = 12 ÷ 4 = 3
5                                                                 5 . 3/4 = 15/4 = 15 ÷ 4 = 3,75
6                                                                 6 . 3/4 = 18/4 = 18 ÷ 4 = 4,5
7                                                                 7 . 3/4 = 21/4 = 21 ÷ 4 = 5,25
8                                                                 8 . 3/4 = 24/4 = 24 ÷ 4 = 6
9                                                                 9 . 3/4 = 27/4 = 27 ÷ 4 = 6,75
10                                                             10 . 3/4 = 30/4 = 30 ÷ 4 = 7,5
11                                                              11 . 3/4 = 33/4 = 33 ÷ 4 = 8,25
12                                                              12 . 3/4 = 36/4 = 36 ÷ 4 = 9