j = m - 1 1/4 (ft).......j = m - 15 inches...because 1 1/4 ft = 15 inches m = L + 1/3 (ft).......m = L + 4 inches....because 1/3 ft = 4 inches L = 62 inches
m = L + 4 m = 62 + 4 m = 66 inches or 5.5 ft <==Maria
j = m - 15 j = 66 - 15 j = 51 inches or 4.25 ft <== Juan