Ben bowled 129 and 213 in his first two games. what must he bowl in his third game to have an average of at least 160?

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.