Try to solve this mathematic...
Try to solve this mathematical puzzle. Find the missing number.Correct answers: 94
The first user who solved this task is Roxana zavari.
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RayonIn 1910, rayon was first commercially produced, in Marcus Hook, Pa, USA, by the American Viscose Company. At the time, it was known by the name of artificial silk or a similar name. The patents had been acquired from the General Artificial Silk Company of Lansdowne, Pa. It was not until 1924 that the term rayon was adopted. Production in 1911 was 362,000 pounds. |