SOLUTION: if 15 calls were made last week 23 calls made this week how many calls need to be made this week to average at least 20 calls per week in a three week period.
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Question 519211: if 15 calls were made last week 23 calls made this week how many calls need to be made this week to average at least 20 calls per week in a three week period.
Answer by rfer(16322) (Show Source): You can put this solution on YOUR website!
(15+23+x)/3=20
38+x=20*3
38+x=60
x=60-38
x=22
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