anonymous
  • anonymous
Help?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
Stephen earned scores of 88 points, 94 points, 89 points, and 85 points on four tests. What is the lowest score he can get on the fifth test and still finish with an average score of 90 points?
anonymous
  • anonymous
@Loser66 can you help?
Loser66
  • Loser66
Where are you stuck?

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Loser66
  • Loser66
Any idea?
anonymous
  • anonymous
i thought it was 95
Loser66
  • Loser66
why?
Loser66
  • Loser66
Let x is the required score, then \(\dfrac {88+94+89+85+x}{5}=90\) solve for x, please
anonymous
  • anonymous
An average is all divided by the number of numbers. So we have 88 89 94 85. This would be (88+89+94+85+x)/5 = 90
anonymous
  • anonymous
Lol while I was typing loser66 beat me to it
Loser66
  • Loser66
:) I am sorry. I didn't see you were typing. If I saw it, I didn't interfere other's stuff
anonymous
  • anonymous
97?
anonymous
  • anonymous
please help?
anonymous
  • anonymous
i believe x is 97.
triciaal
  • triciaal
|dw:1436036664968:dw|
anonymous
  • anonymous
Can you help with more @triciaal
triciaal
  • triciaal
|dw:1436036737122:dw|
triciaal
  • triciaal
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