Scott's average (arithmetic mean) golf score on his first four rounds was 58.What score does he need on his fifth round to drop his average score by 2 points?
Options:
A) 48  B) 72  C) 78  D) 88  E) 312
48verage score for first 4 rounds = 58   48verage score after 5 rounds = 56   Score Scott needs on his 5th round to drop average score by 2 points = 58 - (2*5)= 
<gadget id="calculator">58 - (2*5)</gadget>
<output>48</output>
48   48nswer 48
<result>A</result>
Scott's average (arithmetic mean) golf score on his first four rounds was 58.What score does he need on his fifth round to drop his average score by 2 points?