Heather works as a waitress at her family's restaurant. She works 2 hours every morning during the breakfast shift and returns each evening for the dinner shift. In the last four days, she worked 28 hours. If Heather works the same number of hours each evening, how many hours did she work during each dinner shift?

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.