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 total points to have a mean score of 80. Steven has points so far. Steven needs to score at least points on his last test to qualify for the team.
Accepted Solution
A:
" 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.