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simplify: 12.9 - 2.8 - 7.2 + 9.1

A. 17.6
B. -6.2
C. 26.4
D. 12

Step by step answer pls​

Sagot :

First, subtract 12.9 - 2.8, which gives you 10.1
Then, get 10.1 and subtract it by 7.2, which gives you 2.9
Lastly, get 2.9 and add it to 9.1, which will give you your final answer 12

Answer:

D

Step-by-step explanation:

the simplification of 12.9 - 2.8 - 7.2 + 9.1 is 12