After john worked at a job for 10 years, his salary doubled. if he started at $x, his salary after 10 years is $ x x + 2 x - 2 2x

Reading tests are compared for two students. sara got 98, 100, 65, 78, 98, 46, 100, 100, 45, and 50 on her reading test. lee got 97, 67, 89, 99, 100, 45, 79, 89, 58, and 67 on his reading test.