Andres and Maggie are 230 feet apart when they start walking toward one another. Maggie walks twice as fast as Andres so whenever Andres travels x feet, Maggie travels 2 x feet. Let x represent the number of feet Andres has traveled since he started walking toward Maggie. Write an expression in terms of x to represent the total number of feet Andres and Maggie have walked toward one another.
