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September 21, 2014

September 21, 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.

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