anonymous
  • anonymous
David’s scores on the first three of four 100-point math tests were 86, 92, and 89. What score does he need on his fourth math test to ensure an average score of at least 90? A. 2003-06-03-00-00_files/i0250000.jpg B. 2003-06-03-00-00_files/i0250001.jpg C. 2003-06-03-00-00_files/i0250002.jpg D. 2003-06-03-00-00_files/i0250003.jpg
Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
\[\large \sf \frac{86+92+89+x}{4} \geq 90\]

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