Respuesta :
" Steven received scores of 70, 95, and 80 on his last three math tests. He needs a mean test score of 80 to qualify for the math team. How many points does he need on his last test to qualify for the team? "
> Steven needs a total of 320 points to have a mean score of 80, and he has 245 points SO FAR..
> Steven needs to score at least 75 points on his last test to qualify for the team.
> Steven needs a total of 320 points to have a mean score of 80, and he has 245 points SO FAR..
> Steven needs to score at least 75 points on his last test to qualify for the team.
Answer:
Steven needs 320 total points to have a mean score of 80.
Steven has 245 points so far.
Steven needs to score at least 75 points on his last test to qualify for the team.