Question

I need help again with this last problem.

Answer 1

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`|12| + | - 15| =`

`12 - ( - 15) =`

`12 + 15 =`

`27`

Thus the correct answer is the last option .

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Answer 2

`\boxed {27}`

Explanation:

All negative numbers in the absolute sign will become positive.

`|a| = a \: \: \: \: \: \: \: (a \geqslant 0) \\ |a| = - a \: \: \: \: \: \: (a < 0)`

Therefore we evaluate | - 15 | = 15

`12 + 15 = \red {27}`