Determine the unit rate of the following.
240 hours of homework in 8 weeks

Rachel reads 1/5 of the pages of a book plus 12 pages on the first day. on the second day, she reads 1/4 of the remaining pages plus 15 pages. on the third day, she reads 1/3 of the remaining pages plus 18 pages. on the fourth day, she reads the remaining 70 pages. how many total pages are in the book?

Combine the information in the problem and the chart using the average balance method to solve the problem.

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x