A bulk warehouse is offering 48 cans of sparkling water for $12.00 a case.  The local grocery store is offering the same sparkling water for $6.00 and it only has 12 cans.  How much more expensive, per can, in cents, is this deal at the grocery store?
How much does each can cost at the bulk warehouse? ** The bulk warehouse has 48 cans for $12.00 so that's 12/48 = $0.25 a can
How much does each can cost at the grocery store? ** The local grocery store has 12 cans for $6.00 so that's 6/12 = $0.50 a can
How much more expensive, per can, is this deal at the grocery store? ** The grocery store offer is $0.50 a can and the warehouse is $0.25 a can so the grocery store is .50-.25 = $<<0.50-.25=0.25>>0.25 more expensive per can
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