exam Maths Puzzle Numerical Ability

The second angle of a triangle is 4 times as large as the first. The third angle is 45 degrees less than the sum of the other two angles. Find the measurment of each angle.

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Thanks A freight train left a station at 12 noon going at a rate of 50 miles per hour. At 1 pm, a passenger train left the same station going south at the rate of 60 miles per hour. At what time were the trains 270 miles apart?