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Nora took 8 bottles of water to a picnic. Of those bottles of water, she and her friends opened a certain number of bottles, b.

Part A: What expression can be used to determine the number of unopened bottles at the end of the picnic?


Part B: If Nora and her friends opened 6 bottles, how many unopened bottles are left at the end of the picnic?

Respuesta :

A.) 8-b=c

B.) If b=6, then 8-6=2, and c=2.

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