Question 1109802
.
<pre>
Tony + Hamid  + Helen  = 48


T    + (T-10) + (T-14) = 48


3T - 24 = 48  ====>  3T = 48 + 24 = 72  ====>  T = {{{72/3}}} = 24.


====>  Tony has 24 dollars.

       Hamid  has  24 - 10 = 14 dollars.

       Helen  has  24 - 14 = 10 dollars.



The problem is just solved.


The last condition  "<U>. . . When Tony gave . . . </U>"  is UNNECESSARY and EXCESSIVE.

It is NOT USED in getting the solution. 


The only thing you should check is whether this unnecessary condition contradicts the obtained solution.


Easy check (<U>DO IT on your own !</U>) shows that it does not contradict. 

In opposite, this part of the solution is CONSISTENT with the obtained solution (fortunately !)


So, the obtained solution is valid !
</pre>