rhdeninno1 rhdeninno1
  • 03-11-2020
  • Mathematics
contestada

The average amount is three test is an 84 what must he get on a fourth test to raise his average to a 87

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laylaschoolemail laylaschoolemail
  • 03-11-2020

Answer:

90

Step-by-step explanation:

84+90=174

174/2=87

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