Let 
be the amount of food needed for one man for one day. At the beginning, we have enough food for 400 men for 40 days, i.e.
After 10 days, the 400 men will have consumed
food, impliying that the food remaining is
If 200 more men join the garrison, there are now 600 men. Each of them requires food each day, and there are 
units of food remaining. They will last
days.
Answer:
idk but add me on sc at stephen.huston
Step-by-step explanation:
Answer:
fiction is 90
non fiction is 70
420 books
Step-by-step explanation:
Answer:
Exact form: √
29
Decimal form: 5.38516480
Step-by-step explanation:
