If 24X is a multiple of 3, where X is a digit , what was the value of X.
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If 24X is a multiple of 3, where X is a digit , what was the value of X.
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Answer:
x=0,3,6,9
Step-by-step explanation:
the x can be 0,3,6,9
Answer
Since 24x is a multiple of 3,
its sum of digits 6 + x is a multiple of 3;
so 6 + x is one of these numbers:
0, 3, 6, 9, 12, 15, 18….
But since x is a digit,
it can only be that 6 + x = 6 or 9 or 12 or 15.