Solve it correctly please. I will rate accordingly with multiple votes. Handwritten and show all work....

What's the score? Jermaine has entered a bowling tournament. To prepare, he bowis five games each day and whites down the score of each game, along with the mean of live scores. He is looking at the scores from one day last week and finds that one of the numbers has accidentally been erased. The four remaining scores are 277, 234, 249, and 260, The mean score of the five games is 264. What is the missing score? The missing score is