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  • 10-11-2016
  • Mathematics
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Rebecca has 21 math problems to solve. She has solved 2-7 of them. How many problems has she solved?

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rachelmarques82 rachelmarques82
  • 10-11-2016
Rebecca has 21 math problems 
 

She has solved none....
2-7=-5 

You cannot solve negative five problems 

Answer: 0


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