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Mathhelplz Mathhelplz
  • 12-01-2016
  • Mathematics
Answered

In the year 2002 the world population estimated at 6 billion people. Based on research from the World Bank, about 20% lives ln less than $1 per day. How many people lived on less than $1 per day??????

Verified Answer :

Billymkhoi
Billymkhoi Billymkhoi
  • 12-01-2016

6 billion= 610^9.

We have an equation: ?/ (610^9)= 20/100

Cross multiply:
100?= 20 610^9
⇒ ?= 20 610^9/100= 1.210^9

About 1.2*10^9 people live on less than $1 per day~

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