The population of a town was 25,000 at the first year of a census.
(a) If the population of the town increased to 30,000 at the second year, by what percent did the population increase?

(b) If the population decreased from 30,000 to 27,000 at the third year, by what percent did the population decrease?

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

Dexter read 11 science fiction books and 5 history books. lena read 9 science fiction books and 4 history books. compare the students’ ratios of science fiction books to history books. 1. determine the ratios’ form:    science fiction books to history books 2. write the ratios as fractions:    dexter: 115; lena: 94 3. rewrite with a common denominator. 4. compare. 5. answer the question. determine which shows the correct comparison of the ratios for this problem.

Astore has clearance items that have been marked down by 60%. they are having a sale, advertising an additional 55% off clearance items. what percent of the original price do you end up paying?