In a paper airplane contest amanda plane flew 19 ft farther than darren plane darren plane flew twice as far ad rachel plane rachel plane 20 ft .how far did amanda plane fly

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.