Jamie scored five points higher than Kelly on a class test. If they scored a total of 153 points, what was Jamie's score?

1 answer

Let K be Kelly's score.
Jamie's score was K+5.
K + (K+5) = 153
2K + 5 = 153
2K = 148
K = <<74=74>>74, so Jamie scored 74 + 5 = <<74+5=79>>79. Answer: \boxed{79}.