Linda, frank, and reuben have a total of $97 in their wallets. reuben has 4 times what linda has. frank has $7 more than linda. how much does each have?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field