A deli sells three sizes of turkey sandwiches: the small turkey sandwich contains 4 ounces of meat and sells for $3.00; the regular turkey sandwich contains 9 ounces of meat and sells for $3.50; and the large turkey sandwich contains 12 ounces of meat and sells for $4.00. A customer request a selection of each size for a reception. She and the manager agree on a combination of 40 sandwiches made from 19 pounds 6 ounces of turkey for a total cost of $137. How many of each size sandwich will be in this combination?

Question