Brightstorm is like having a personal tutor for every subject

See what all the buzz is about

Check it out
Don't Stop Learning Now!

Gain access to 3,500 HD videos.

Convince me!

Watch 1 minute preview of this video

or

Get Immediate Access with 1 week FREE trial
Your video will begin after this quick intro to Brightstorm.

Arithmetic Sequences - Problem 5 405 views

An arithmetic mean is a term in a number sequence that has been omitted, and we are asked to find it. If you have two terms with one mean between them, then that mean will literally be the mean, or average of the terms on either side of it. We need to add those terms together and divide by two.

Transcript Coming Soon!