Over 10 plays, a football team gained 63 yards. On 4 of the plays the team gained 0 yards, on 1 play the team lost 3 yards and on 1 play the team lost 6 yards. What was the team's mean gain, in yards, per play for the remaining plays?

Question

Over 10 plays, a football team gained 63 yards.  On 4 of the plays the team gained 0 yards, on 1 play the team lost 3 yards and on 1 play the team lost 6 yards.  What was the team's mean gain, in yards, per play for the remaining plays?

Steve · Answer

4(0) + 1(-3) + 1(-6) + 4x = 63 Now just solve for x