Posted by **rowlo** on Thursday, June 23, 2011 at 12:26pm.

Jacob has a mean score of 78 after his first four math tests. He wants to make a B, or an average of 80, in math. What does he need to score on the fifth test to have a mean score of 80?

## Answer this Question

## Related Questions

- math - To get a C in physics, a student must score an average of 70 on four ...
- Math - To get an A in psychology, a student must score an average of 90 on four ...
- math - A student has a mean score of 88 on five tests taken. What score must she...
- college algebra - Sally took four tests in science class. On each successive ...
- Math - To get a B in physics, a student must score an average of 80 on four ...
- math - After six biology tests, Ruben has a mean score of 73. What score does ...
- social science statistics - a professor was curious to whether the students in a...
- algebra - Briana's second test score was 8 points higher than her first score. ...
- Math - In your class, you have scores of 73,85,76, and 92 on the first ...
- graduate statistics - A nursing professor was curious as to whether the students...

More Related Questions