Question

9) The ten's digit of a number is five times the unit's digit. what is the number.​

Answer 1

Answer:

51

Step-by-step explanation:

5x is tens digit and x be the unit digit.

then tens digit should be from 1 to 9

thus only 1×5 is in one digit answer

thus x = 1

and 5x = 5×1 = 5

Answer 2

Answer:

51

Step-by-step explanation:

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