Question

quais os multiplos de 3,compreendidos entre 5 e 30?

Answer 1

3 x 2 = 6
3 x 3 = 9
3 x 4 = 12
3 x 5 = 15
3 x 6 = 18
3 x 7 = 21
3 x 8 = 24
3 x 9 = 27
3 x 10 = 30
São estes:
6, 9,12, 15, 18, 21, 24, 27 e 30

Answer 2

     6 + (n-1).3 = 27
      3n = 27 - 6 + 3
      3n = 24
    n = 8