A fort of 400 soldiers has provisions for 10 days. After 2 days some of them left and the food was now enough for the same period of 10 days as before. How many of them left? Select the correct option
A) 80 B) 90 C) 100 D) 110 E) 120
2000 ---- 50   400 ---- 8   x ----- 10   x*10 = 400*8   x=320   400   -------   80   80nswer: 80
<result>A</result>
A fort of 400 soldiers has provisions for 10 days. After 2 days some of them left and the food was now enough for the same period of 10 days as before. How many of them left?