Hey!
Hope this helps...
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To answer this we will have to use a bit of the distribution property, but first we need to know the answer of the thing we are comparing...
−10+(−40)+(−90) > -10 - 40 - 90 = -140
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A.) −(10−40)+(−90) > -10 + 40 - 90 = -60
Does -60 equal -140?
NO
B.) −10−(40−90) > -10 - 40 + 90 = 40
Does 50 equal -140?
NO
C.) 10+40+90 = 140
Does 140 equal -140?
NO
D.) −10+(−90)+(−40) > -10 - 90 - 40 = -140
Does -140 equal -140?
YES
So...
The answer is: D.) -10+(-90)+(-40)
