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5/9 of a town's population is 2015 persons what is the town's population

5/9 of a town's population is 2015 persons what is the town's population
 
 
 
 
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2 Answers

By cross-multiplication: 
 
Part          Part
_____ =   _____
Whole       Whole
 
 
5    2015
_ = ____
9       x
 
x=town's population
 
9*2015=5x
 
Multiply 9*2015 = 18, 
18,135 = 5x
 
Divide both sides by 5
Let x = town's population
 
(5/9)x = 2015
 
Multiply both sides by 9:  5x = 18135
 
Divide both sides by 5:  x = 3627