Question 803065: Problem 1
Separate 102 into two parts such that the larger part divided by the smaller part will give a quotient of 6 and a remainder of 11.
You can put this solution on YOUR website! Too many exercises for help requested here, but help already given for the two parts 102 question.
See http://www.algebra.com/algebra/homework/word/numbers/Numbers_Word_Problems.faq.question.803066.html
As for the other three problems, they are uniform rates problems. They are based on the idea, , where "ratio" is equivalent to , and U has its particular unit and D has its own unit. Often but not always, the "D" has units of time.