Respuesta :

Answer:

- 3 and 69/70

Step-by-step explanation:

3 ÷ 5(6 × 7) - 4

3 ÷ 5(40) - 4

3 ÷ 210 - 4

1/70 ÷ 4

- 3 and 69/70

Answer:

21.2

Step-by-step explanation:

3/5(42)-4

0.6(42)-4

25.20-4

21.2

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