If the economy of a country grows by x percentage points and wages increase by y percentage points, then the number of cars on the country's roads will increase by z= 2= 2y+1 percent Year 2006 2007 Economic growth, x x=4 4,5 percentage points y=5 5,3 Increase in wages, y percentage points Using the values listed in the table and the total differential, the number of cars on the country's roads from 2006 to 2007 will increase approximately by type your answer... percent, rounded to two decimal points.
