Respuesta :
Answer:
n1 = 13
n2 = 22
n3 = 19
Step-by-step explanation:
see attached for the work.

The numbers are 13, 19 and 22.
What are the numbers?
Let x represent the first number
Second number is 9 + x
Third number is 9 + x - 3 = 6 + x
x + 9 + x + 6 + x = 54
3x + 15 = 54
3x = 54 - 15
3x = 39
x = 13
Second number = 13 + 9 = 22
Third number = 21 3 = 19
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