THE LIFE SPAN OF THE SPOTTED FUZZY IS 3 YEARS. B A E Year 1 babies Year 2 adults Year 3 elder.
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Transcript of THE LIFE SPAN OF THE SPOTTED FUZZY IS 3 YEARS. B A E Year 1 babies Year 2 adults Year 3 elder.
THE LIFE SPAN OF THE SPOTTED FUZZY IS 3 YEARS.
B A E
Year 1babies
Year 2adults
Year 3elder
THE LIFE SPAN OF THE SPOTTED FUZZY IS 3 YEARS.
B A E
Year 1babies
Year 2adults
Year 3elder
62.5% of babiessurvive toadulthood
50% of adultssurvive toOld age
The number of babies in year n+1 ( Bn+1 ) is a functionOf the number of adults and the number of elders in the Year n :
Bn+1 = 1.5 An + .2 En
Every year, each adult fuzzy couple has 3 baby fuzzies
And 1 out of every 5 elder couples has 2 baby fuzzies
THE LIFE SPAN OF THE SPOTTED FUZZY IS 3 YEARS.
B A E
Year 1babies
Year 2adults
Year 3elder
.625 .50
1.5
.20
B A E
Year 1babies
Year 2adults
Year 3elder
.625 .50
1.5
.20
Bn+1 = 0 Bn + 1.5 An + .2 En
An+1 = .625 Bn + 0 An + 0 En
En+1 = 0 Bn + .5 An + 0 En
B A E
Year 1babies
Year 2adults
Year 3elder
.625 .50
1.5
.20
Bn+1 = 0 Bn + 1.5 An + .2 En
An+1 = .625 Bn + 0 An + 0 En
En+1 = 0 Bn + .5 An + 0 En
n
n
n
E
A
B
05.0
00625.
2.5.10=
05.0
00625.
2.5.10
1
1
1
n
n
n
n
n
n
E
A
B
E
A
B
Suppose there are 650 babies, 500 adults and 200 elders this year.
How many babies, adults and elders will there be next year?How many babies, adults and elders will there be in 8 years?
How many babies, adults and elders were there last year?