Cameron is playing 9 holes of golf. he needs to score a total of at most 15 par on the last four holes to beat his best golf score. on the last four holes he scores 5 over par, 1 under par, 6 over par, and 1 under par

First you take all the scores he got and put them into a problem. Next you add all the scores that Cameron got. He needs to get 15 over par to get his best score.
1) 5+(-15)-30 

2) -12-3+15 

3) -50+(25)-10 
Examples:
How to do it 

Hint- use kco 
10-12+25-(50)

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