three boards are placed end to end to make a walkway. the first board is 4 feet 5 inches long, the second is 6 feet 9 inches ling, and the third is 3 feet 11 inches long. how long is the walkway

15 feet 1 inch

Step-by-step explanation:

Given :

Length of boards placed end to end :

Board 1 = 4 feet 5 inches

Board 2 = 6 feets 9 inches

Board 3 = 3 feets 11 inches

The length is the addition of the lengths of the 3 boards :

4 ft 5in + 6 ft 9 in + 3 ft 11 in

(4+6+3) ft + (5+9+11) in

13ft + (25in)

1 ft = 12 in

25 in = 2 ft 1 in

13 ft + 2ft 1 in

15 ft 1 in

the answer is the third / last answer

step-by-step explanation:

idk

step-by-step explanation: