15 more than half a number is 9

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asked Jan 24, 2016 136k views

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Dorla · Answer 1 · 2016-01-26T08:31:27+0000

Answer:

Explanation:

The number is 'N'.

Half of the number is (1/2 N).

15 more than that is (1/2 N + 15)

Now, you said that 1/2 N + 15 = 9

Subtract 15 from each side: 1/2 N = -6

Multiply each side by 2: N = -12

Wolfgang Wu · Answer 2 · 2016-01-31T06:22:52+0000

The number is 'N'.

Half of the number is (1/2 N).

15 more than that is (1/2 N + 15)

Now, you said that 1/2 N + 15 = 9

Subtract 15 from each side: 1/2 N = -6

Multiply each side by 2 : N = -12

15 more than half a number is 9

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