Posted by Melissa on Monday, September 5, 2011 at 12:28pm.
60 = (66+72+90+49+59+x)/6
60 = (336 + x) / 6
Multiply both sides of the equation by 6.
360 = 336 + x
Subtract 336 from both sides.
24 = x
Multiply both sides by 6 and add scores.
360 = 336 + x
Do you think you can subtract 336 from both sides?
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