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alexandr402 [8]
3 years ago
13

In 2017, the world's population was 7.451 billion people. Tge world growth rate is 1.13% annually, (a) what the projected world'

s population in 2035? (b) how long will it take for world's population to double? (c)how long will it take for world's population to triple?
Mathematics
1 answer:
Damm [24]3 years ago
7 0
A) Period 19 Years (if it started the 1st Jan 2017 & ended the 31st Dec 2035)

A=P(1+r%)^n

A=7.451(1+1.13%)^19 = 9.259 Billion

b) 14.902 = 7.451(1+1.13%)^n

You will find n≈20 year (through log)

c) to triple 22.353=7.451(1+1.13%)^n, Same logique



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