Contemporary Mathematics for Business & Consumers 8th Edition by Robert Brechner,Geroge Bergeman

Exercise 21

As the tax assessor for Indian Creek County, you have been informed that due to budgetary demands, a tax increase will be necessary next year. The total market value of the property in the county is $600,000,000. Currently, the assessment rate is 45% and the tax rate is 30 mitts. The county commission increases the assessment rate to 55% and the tax rate to 35 mills.
a. How much property tax was collected under the old rates
b. How much more tax revenue will be collected under the new rates