An epidemic has hit minecole city. its population is declining 34% every hour. in just 3 hours, there are only 25,143 people left in the city. what was the initial population in the city before the epidemic broke out?

The initial population in the city before the epidemic broke out was 87455.

Step-by-step explanation:

The decay formula is:   , where Initial amount, Final amount, rate of decay in decimal form and time duration.

Here,

Plugging these values into the above formula.....

So, the initial population in the city before the epidemic broke out was 87455.

13

step-by-step explanation:

169-1=168

168-3=165

165-5=160

160-7=153

153-9=144

144-11=133

133-13=120

120-15=105

105-17=88

88-19=69

69-21=48

48-23=25

25-25=0

since it took 13times to completely subtract it hence its square root is 13