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you buy a bag of dog food for $12.59 and a bottle of dog shampoo for $4.75. How much more did the dog food cost than the shampoo?

Respuesta :

   $12.59
-  $  4.75
___________
=  $7.84

   $7.84
+ $4.75
_____________
= $12.59

The dog food cost $7.84 more than the shampoo. 

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