A besieged town has provisions to last for 3 weeks, if the population is 22,400. How many people must be sent away in order that the provisions may last for 7 weeks?
Answers
Answer:
12800
Step-by-step explanation:
A besieged town has provisions to last for 3 weeks, if the population is 22,400. How many people must be sent away in order that the provisions may last for 7 weeks?
Population = 22400
Food available for 3 weeks = 3
Total Food available = 22400 * 3 ManWeeks
Food to run for 7 Weeks
Number of people it is sufficient for = 22400 * 3 /7 = 3200 * 3 = 9600
People must be sent away = 22400 - 9600 = 12800
Weeks that the provision last for 22,400 people = 3weeks
Population of people that will stay = 22,400x3/7
= 67,200/7
= 9600
People needed to be sent away = 22,400-9600
=12,800
Answer-12800