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The cost of your new book bag is $11.50 more than the cost C of your old book bag. You pay $47 for your new book bag. Write and solve an equation to find the cost of your old book bag. Include units in your answer.

Respuesta :

chamwham7

Answer:

OB(old book bag)=35.50

Step-by-step explanation:

NB(new book bag)=11.50+OB

NB=47

____________________

    47=11.50+OB

-11.50  -11.50

    -----

35.50=OB

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