Homework Help: math

Posted by arturo on Monday, October 29, 2012 at 10:09pm.

Jennifer's scores on her first four science tests were 85, 76, 89 and 92.

What score must she make on the fifth test to have the mean of the five tests equal 85?

math - Ms. Sue, Monday, October 29, 2012 at 10:12pm
5 * 85 = 425

85 + 76 + 89 + 92 = 342

425 - 342 = ?

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