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Nine more than half of a number is 21

Nine more than half of a number is 21
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Nine more than half of a number is 21

User Jeff Watkins
by
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1 Answer

2 votes
I assume you're looking for the number:
0.5n + 9 = 21
- 9
0.5n = 12
÷ 0.5
n = 24
So the beginning number is 24, hope this helps!
User Charles Munger
by
8.5k points
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