yerdua236 yerdua236
  • 06-11-2020
  • Mathematics
contestada

John's first four test scores are 84, 84, 90 , and 91. How many points must he earn on his 5th and final test in order to have an average test score of 90?

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amvka amvka
  • 06-11-2020
He must score a 101%
a+84+84+90+91 /5 = 90

a= 101
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