View the step-by-step solution to:

In September, 60% of students in a class knew their multiplication facts. By December, 70% of students knew them.

In September, 60% of students in a class knew their multiplication facts. By December, 70% of students knew them. Assuming that students do not forget what they learned, what percentage of the students who did not know their facts in September learned them by December?

Top Answer

The way to answer this question is ... View the full answer

Sign up to view the full answer

Other Answers

Thus 25% of the students who did... View the full answer

Why Join Course Hero?

Course Hero has all the homework and study help you need to succeed! We’ve got course-specific notes, study guides, and practice tests along with expert tutors.

-

Educational Resources
  • -

    Study Documents

    Find the best study resources around, tagged to your specific courses. Share your own to gain free Course Hero access.

    Browse Documents
  • -

    Question & Answers

    Get one-on-one homework help from our expert tutors—available online 24/7. Ask your own questions or browse existing Q&A threads. Satisfaction guaranteed!

    Ask a Question
Ask a homework question - tutors are online