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October 21, 2014

October 21, 2014

Posted by **Geena** on Wednesday, May 4, 2011 at 12:55pm.

Stephanie has the following scores on her algebra tests: 85, 92, and 71. What score must she earn on her fourth test in order to have an average of 80 or above?

- Algebra -
**PsyDAG**, Wednesday, May 4, 2011 at 1:12pm(85+92+71+x)/4 ≥ 80

Solve for x.

- Algebra -
**Anonymous**, Wednesday, May 4, 2011 at 9:09pm1.2

- Algebra -
**Yariv**, Thursday, June 2, 2011 at 4:56amx>=4*80-85-92-71=320-85-92-71=320-248=72

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