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Mathematics 20 Online
OpenStudy (anonymous):

where do you get minus numbers ? there are only plus numbers only minus operations ! have you ever seen a minus dollar bill ? yet you see them in math problems all the time.

OpenStudy (anonymous):

Think of minus numbers as numbers you're subtracting.

OpenStudy (anonymous):

that what creates confusion, thinking of positive numbers as 'negative' numbers.

OpenStudy (anonymous):

ok first of all, i didn't say anything about thinking positive numbers as negative numbers, but here are some real life applications.. 1. Stock market, so investors can choose carefully 2. Statistics, a president's approval numbers will be in negative as economy worsens. and there are a lot more :P

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