A 3-cabin train from Singapore to Kuala Lumpur has on average number of 190 passangers per cabin. The first cabin has 50 more passengers than the third cabin. The second cabin has twice as many passangers as the third cabin. How many passangers are there in the second cabin? <br> <input min="0" type="number" id ="imp5pg160q4_1" class="lineinput" placeholder="?" />