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Why is the answer not 9? .35(300-200) + .65(160-200) .35*100 + .65*-40 35+-26= 9
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4 votes
Why is the answer not 9?
.35(300-200) + .65(160-200)
.35*100 + .65*-40
35+-26= 9

User Twix
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1 Answer

4 votes
Normally it should be 9, it could be because of the distributive property, making you add 130 and 70 instead of subtract. If thats the case, it would be 175+234, or 409. I still believe it is 9, so it could be an error.
User Mikenichols
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