(Population projection) The US Census Bureau projects population based on the fo
ID: 3548976 • Letter: #
Question
(Population projection) The US Census Bureau projects population based on the
following assumptions:
One birth every 7 seconds
One death every 13 seconds
One new immigrant every 45 seconds
Write a program to display the population for each of the next five years. Assume the
current population is 312032486 and one year has 365 days. Hint: in Python, you
can use integer division operator // to perform division. The result is an integer. For
example, 5 // 4 is 1 (not 1.25) and 10 // 4 is 2 (not 2.5).
Here's what I have but I kept getting wrong numbers... what am I doing wrong?
# Total Population: 312032486
# Total Seconds/Year: 365* 24 * 60 * 60 = 31536000
# Births/Year: 31536000/7 = 4505142.857142857
# Deaths/Year: 31536000/13 = 2425846.153846154
# Immigrations/Year: 31536000/45 = 700800.0
print((312032486) + (4505142.857142857 + 700800 - 2425846.153846154) // 1 )
print((312032486) + (2 * (4505142.857142857 + 700800 - 2425846.153846154)) // 1 )
print((312032486) + (3 * (4505142.857142857 + 700800 - 2425846.153846154)) // 1 )
print((312032486) + (4 * (4505142.857142857 + 700800 - 2425846.153846154)) // 1 )
print((312032486) + (5 * (4505142.857142857 + 700800 - 2425846.153846154)) // 1 )
Explanation / Answer
print int((312032486) + (4505142.857142857 + 700800 - 2425846.153846154) // 1 )
print int((312032486) + (2 * (4505142.857142857 + 700800 - 2425846.153846154)) // 1 )
print int((312032486) + (3 * (4505142.857142857 + 700800 - 2425846.153846154)) // 1 )
print int((312032486) + (4 * (4505142.857142857 + 700800 - 2425846.153846154)) // 1 )
print int((312032486) + (5 * (4505142.857142857 + 700800 - 2425846.153846154)) // 1 )
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