Which calculation is modeled on the number line? -1 1/2 , -1 , -1/2 , 0 , 1,/2 , 1 ,

Which calculation is modeled on the number line?

-1 1/2 , -1 , -1/2 , 0 , 1,/2 , 1 , 1 1/2
-4/10 + (-7/10) = 1 1/10
-4/10 + (-1/10) = 1 1/2
-4/5 + (-7/5) = 1 1/5
-4/5 + (1 1/5) = -2

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