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19-05-2015
Mathematics

contestada

Simplify.

16.3 – (–4.2) + 15.9

A.
36.4

B.
–3.8

C.
–36.4

D.
28
Please help!

Respuesta :

19-05-2015

16.3 - (-4.2) + 15.9

Subtracting (or multiplying) negatives makes them positive. So we rewrite:

16.3 + 4.2 + 15.9 = 36.4

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