Answer:
100+0.30p
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Step-by-step explanation:
Answer:
The year 1996
With population of both 21600
Step-by-step explanation:
From 1990 to 2000 = 10 years
So city A grew from 12000 to 28000 that is city A had an increase of 16000 in 10 years.
While city b grew from 18000 to 24000 , that's an increase of 6000 in 10 years to.
For city A
10 years= 16000
1 year = 16000/10
1 year = 1600
For city B
10 years = 6000
1 year = 6000/10
1 year = 600
So we are to find what year the both cities had same population.
12000 + x1600 = y
18000 + x600 = y
X is the year difference
Y is the population at that year
Eliminating y gives
6000= x1000
X= 6
If x is 6
18000+3600= y
21600= y
So 6 years + 1990 = 1996
Add all the units together 8+11+6+8=45
then divide by the the number of units there are which is 5 so 45÷5 =9
