Respuesta :

Answer:

0.316

Step-by-step explanation:

19 x 20 = 380 x N

120 - N = 380 x N

We realize this can only be a decimal number.

We try 0.316 x 19 x 20 = 120

When we decrease 0.316 from 120 it is 119.7

Rounded up it is the same as 120.

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