Question

A confectioner had some boxes for burger and he bought 50 more boxes. After two days half of these boxes were used and only 40 boxes were left. Find the number of boxes he had in the beginning.

Answer 1

Let y be initial no of boxes.

============================


 Therefore, y+50

 now. y+50/2 were used.


             Now,

 y+50-y+50/2=40


.on solving, the value of y we get is 30.





===================So,ans.=30.