Question

b) ×/3=30/9

c)×/4=20/8

d) 1/×=40/120

me ajudaaaaa:/​

Answer 1

Resposta: b) 10. c) 10. d) 3.

Explicação passo-a-passo:

b) x/3 = 30/9

9 ÷ 3 = 3

30 ÷ 3 = 10

x = 10

c) x/4 = 20/8

8 ÷ 4 = 2

20 ÷ 2 = 10

x = 10

d) 1/x = 40/120

40 ÷ 1 = 40

120 ÷ 40 = 3

x = 3

Answer 2

Olá....

b)

×/3=30/9

9.x = 3.30

9x = 90

x = 90/9

x = 10

Resposta: 10/3 = 30/9

c)

×/4=20/8

8.x = 4.20

8x = 80

x = 80/8

x = 10

Resposta: 10/4 = 20/8

d)

1/×=40/120

40.x = 1.120

40x = 120

x = 120/40

x = 3

Resposta: 1/3 = 40/120

Espero ter colaborado.