Eric purchase 4 feet of the wire. he cuts it into 3 pieces. if the first piece is 1 foot 7 inches long and the second piece is 1 foot 6 inches long, how many inches is the third piece

There is 12 inches in one foot.
12 x 4 = 48 inches
1ft7" = 19 inches
1ft6" = 18 inches

19+18 = 37

48-37 = 11

The last piece is 11 inches long

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