Question

The Wildcats scored an average of 56 points per game during their four-game season. If the scores for their first three games were 48, 57, and 52, what was the score of their last game?

Answer 1

67

Explanation:

Use the average formula: average = sum of elements / number of elements

Let x represent the score of their last game, and plug in the average, other scores, and number of elements into the equation:

56 = (48 + 57 + 52 + x) / 4

Simplify:

56 = (157 + x) / 4

Solve for x, by first multiplying each side by 4:

224 = 157 + x

Subtract 157 from both sides:

67 = x

So, the score of their last game was 67.