Naoya read a book cover to cover in a single session, at a rate of 55 pages per hour. after reading for 4 hours, he had 330 pages left to read. how long did it take naoya to read the entire book?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.