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22-10-2018
Mathematics

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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.

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chamwham7 chamwham7

22-10-2018

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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