The tape diagram shows that Rita answered 14 questions correctly on a post-test. Rita learned a lot in this unit, so that was 350% as many questions as she answered correctly in the pre-test
350%
50%
100%
I’ve been stuck on this question for 3 hours and the lessons Khan academy has given me prior aren’t helping at all because it’s going on the assumption I understand the subject it’s supposed to teach me before taking the lesson.