Julie: 876
Kyle: 845
Robby: 855

Step 1
Twinkle Town

• Kyle's score on Twinkle Town was 10 points more than Julie's score on the same game.
• Find a score on Twinkle Town that is 10 points more than another.
• 
     1
     398
  +   10
     408

  Julie's score must be 398.
  Kyle's score must be 408.
  

• The other score, 292, must be Robby's.

Step 2

• Robby got the highest score on Raging River.
  Robby's score must be 563.
  
• Julie's score on Raging River was more than Kyle's score.
  The two scores remaining are 478 and 437.
  Julie's score on Raging River must be 478.
  
• Therefore, Kyle's score must be 437.

Game	Julie	Kyle	Robby
Twinkle Town	398	408	292
Raging River	478	437	563

Add each person's scores in the two games.

	Julie	Kyle	Robby
	11   398 +478  876	1   408 +437  845	1    292 +563  855
Total	876	845	855