the population of a city Doubles itself in 5 years in how many years will it become 8 times of itself explain please
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Answer - 15
Formula for this is n2= n1 ^(t2/t1)
n= Number of times
t= years
n2=8 =2^3
n1=2(doubles)
t2=? (we have to find)
t1=5
Applying this in formula
2^3=2^(t2/5)………2 cancelled each other
3=t2/5
t2= 15(answer)
HOPE IT HELPS
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