Respuesta :

Answer:

149 times.

Step-by-step explanation:

Let n be the number we are looking for.

The we have to solve this equation:

1999 - 7n = 1701 - 5n

⇔ 1999 - 1701 = 7n - 5n

⇔ 298 = 2 n

⇔ n = 298/2

⇔ n = 149

Verification :

1 999 - 7×149 = 956

1 701 - 5×149 = 956

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