Total distance travelled by train M = (2x – 30) m Total distance travelled by train N = (x + 30 + x – 30) = 2x m According to question, => (2x – 30)/22 = 2x/28 => 56x – 840 = 44x => 12x = 840 => x = 70 m
Which is the article that deals with the official language?
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