Question
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?
What score must she make on the fifth test to have the mean of the five tests equal 85?
Answers
Ms. Sue
5 * 85 = 425
85 + 76 + 89 + 92 = 342
425 - 342 = ?
85 + 76 + 89 + 92 = 342
425 - 342 = ?