ATerry16 ATerry16
  • 20-10-2016
  • Mathematics
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Need help with all three questions...

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Juju1111
Juju1111 Juju1111
  • 20-10-2016
7) 2-9= -7 because, if you have two cookies and promised nine friends cookies, you would still owe 7 friends cookies or -7
8) -3 - (-4)= 1 because you owe 3 friends cookies, then you get 4 cookies and have one left over
9) 11 - (-12)= 23 because a negative plus a negative is a positive
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