a deli sells three sizes of chicken sandwiches. the small sandwich contains 5 ounces of meat and sells for $3.50; the regular sandwich contains 8 ounces of meat and sells for $4.00; and the large sandwich contains 13 ounces of meat and sells for $4.50. A customer requests a selection of each size sandwich. she and the manager agree on a combination of 60 sandwiches made from 30 pounds 14 ounces for a cost of $235. How many of each size sandwich will be in the combination? (note: 1 pound= 16 ounces) Can anyone help me set this up?!

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