Wednesday

July 23, 2014

July 23, 2014

Posted by **Lovepreet** on Tuesday, July 23, 2013 at 5:56pm.

- Math -
**Ms. Sue**, Tuesday, July 23, 2013 at 6:55pm500 * .8 = 400

77 + 90 + 66 + 82 = 315

400 - 315 = 85 needed on next test

- Math -
**PsyDAG**, Tuesday, July 23, 2013 at 6:56pmmean = ∑x/n

80 = (77+90+66+82+x)/5

Solve for x.

**Related Questions**

math - A teacher allows the students to each "throw out" their lowest test score...

algebra - Briana's second test score was 8 points higher than her first score. ...

math - A student has a mean score of 88 on five tests taken. What score must she...

algebra - Jacob has a mean score of 78 after his first four math tests. He wants...

math - on her first two math tests, Gracie has an average score of 86. If she ...

college algebra - Sally took four tests in science class. On each successive ...

math - Adam took five tests and received a grade for each of them. The first ...

Statistics - Suppose that two different tests A and B are to be given to a ...

math,correction - can someone correct this for me please. Statistics. Sam must ...

math correction - can someone correct this for me.or teach me if i'm wrong ...