so let's add the yards, 29+55+13, that's 97 yards.
let's add the feet, 2+1+1, that's 4 feet.
let's add the inches, 11+10+3, that's 24 inches.
hmmmm, 12 inches is 1 ft, so 24 inches is really 2 feet, so 4 + 2 is just 6 feet.
hmmm 3 ft is 1 yard, so 6 feet is really 2 yards.
97 + 2, 99 yards.