Mabel scored 19 points more on her pre-algebra test than nancy .pheobe scored 10 points less on her pre algebra test than nancy .if phoebe scored 23 points ,how many points did mabel score?
So M=Mabels score N=Nancys score P=Phoebes score M=N+19 P=N-10 p=23 Therefore Nancys Score is 33 Mabel scored 19 more points on her test than Nancy did. So therefore add N+M = 52
