Homework Help: 7th grade math

Posted by Daniel on Wednesday, March 2, 2011 at 3:09pm.

Each person has taken four tests and has one more test to take.Find the score that each person must make to change the mean or median as shown

Barry has scores of 93,84,86,and75.He wants to raise the mean to 86

7th grade math - PsyDAG, Thursday, March 3, 2011 at 11:34am
Mean = sum of scores/number of scores

(93+84+86+75+x)/5 = 86

Solve for x.
7th grade math - chris, Monday, March 7, 2011 at 10:23am
x-14=-3 one step equation
7th grade math - tabi, Thursday, March 10, 2011 at 11:05pm
baryy has scores of 93,84,86,and 75. he wants to raise the mean to 86

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