Question 1147944
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            This problem is to be solved  MENTALLY,  without using equations,  but with the goal to train your mind.



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After reading the problem two times, an attentive reader will see momentarily that


    the difference in the bought tickets is 2 child tickets, while the difference in the cost is 54-48 = 6 dollars.


Hence, one child ticket price is 6/2 = 3 dollars.    <U>ANSWER</U>


Then 5 senior tickets cost  48-6*3 = 30 dollars;  hence, one senior ticket price is  30/6 = 5 dollars.    <U>ANSWER</U>
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