Asked by Julian

Erica has scores:131, 120, and 140, each out of 150 points, on her algebra tests. Use an inequality to find the score she must make on the final exam to pass the course with an average of 80 percent or higher, given that the final is worth 200 points.

Answers

Answered by PsyDAG
.80 < [(131+120+140)/150 + x/200]/4

Solve for x.

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