If Allisya's mother has an average of 7,000 steps this week, and it is Saturday, how many steps does she have to do tomorrow to get a 10,000 step average for Sunday?

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.