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Source: Princeton Review
If a golfer scores an average (arithmetic mean) of \(p\) points per round of golf for \(r\) rounds, and then scores \(q\) points in his next round, which of the following is an expression for the golfer's average score for the \((r+1)\) rounds of golf?
A. \(\dfrac{pr+q}{r+1}\)
B. \(\dfrac{p(r+q)}{r+1}\)
C. \(p+2\)
D. \(p+4\)
E. \(p+12\)
The OA is A
If a golfer scores an average (arithmetic mean) of \(p\) points per round of golf for \(r\) rounds, and then scores \(q\) points in his next round, which of the following is an expression for the golfer's average score for the \((r+1)\) rounds of golf?
A. \(\dfrac{pr+q}{r+1}\)
B. \(\dfrac{p(r+q)}{r+1}\)
C. \(p+2\)
D. \(p+4\)
E. \(p+12\)
The OA is A
