Given:
3450 yen is divided in the ratios 2:6:7.
To find:
The difference between the largest share and the smallest share.
Solution:
3450 yen is divided in the ratios 2:6:7. Let the shares are 2x, 6x and 7x.




Now,
First share is

Second share is

Third share is

Here the largest share is 1610 and the smallest share is 460. So, the difference between the largest share and the smallest share is

Therefore, the difference between the largest share and the smallest share is 1150 yen.