SOLUTION: The number of registered vehicles on the road in a country is constantly increasing. In​ 2009, there were approximately 390 million registered vehicles. This represents a 7%

Algebra ->  Decimal-numbers -> SOLUTION: The number of registered vehicles on the road in a country is constantly increasing. In​ 2009, there were approximately 390 million registered vehicles. This represents a 7%       Log On

The basic equation from the condition is THIS :


    x*(1+0.07) = 390000000,   or


    1.07x      = 390000000,


    x          = .


At this point, use your calculator.  Then round appropriately.