Question

Qual o valor de x/105=2/30

Answer 1

X/105= 2/30

Mmc= 105, 30| 5

21, 6 | 2

21, 3 | 3

7 , 1 | 7

1, 1 5×2×3×7= 210

210÷105= 2x

210÷30= 14

14/ 2x

X= 7

Answer 2

Resposta:

$30x = 105 \times 2 \\ 30x = 210 \\ x = \frac{210}{30} \\ x = 7$