Mr. Ramirez gave his class 40 minutes to read. Davida reads 28 1/2 pages in that time. At what rate, in pages per hour, did Davida read?

Which equation and solution can be used to solve this problem? thirteen less than a number is sixteen. 13-n=16: add 13 to both sides. the answer is 29. n+13=16: subtract 13 from both sides. the answer is 3. n+16=13 subtract 13 from both sides. the answer is 3. n-13=16: add 13 to both sides. the answer is 29.

For which pair of functions is (gof)(a)=|a|-2?

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?