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?
The mean, or average, is found by dividing by .:6
The mean, or average, is found by dividing by .:720
The mean, or average, is found by dividing by .:6
The mean, or average, is found by dividing by .:120