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OpenStudy (anonymous):
why is the sum of the two numbers -1/5 and .20 0 ? i dont get it
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OpenStudy (anonymous):
Because \(\dfrac{1}{5}=0.20\). So, if you have \(-\dfrac{1}{5}+0.20=-\dfrac{1}{5}+\dfrac{1}{5}=0\).
OpenStudy (anonymous):
so they all cancel out?
OpenStudy (anonymous):
Yes. Do you understand why \(\dfrac{1}{5}=0.20\)?
OpenStudy (anonymous):
yes because .20 is 1/5 of a hundred
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