How do you solve problems like this Insert a digit to make numbers that are divisible by 24 if it is possible: 12...8. Is it impossible or possible to do this, and what are all the possible digits?

Problem fathi wants to print out a pdf document that is 48 pages long. to save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet. how many sheets of paper will he need?

The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

The average length of a king cobra is 3.7 m. the record length is 1.88 m longer than the average. how long is the record holder?