Question

Let the numbers be x, y, z. Then,
x + y = 45, y + z = 55 and 2 + 3x = 90
Adding, we get 4x + 2y + 2z = 190 = 2x + y + z = 95.
.. (2x = 40 x = 20), y = 25, z = 30.
Hence, the third number is 30.​

Answer 1

Answer:

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