Respuesta :

   3 feet 6 inches        + 8 feet 2 inches        +            4 inches        + 2 feet 5 inches    ------------------------         13 feet  17 inches             [add inches separately from adding feet] Now, 12 inches = 1 foot, so convert 17 inches to 1 foot 5 inches:           13 feet       +  1 foot   5 inches  -----------------------------         14 feet  5 inches
I think this is the answer
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