54.
8/18 = 24/54; 5/27 = 10/54; 24/54 + 10/54 = 34/54 = 17/27
54 - 13 = 41
54 - 38 = 16
54 - 2 = 52
-18 - 54 = -72
(-54) - 23 = -77
You would do 540 x .10 and this would give you 10% of that number, which equals 54. .10 = 10% .20 = 20%
t2 - 59t + 54 - 82t2 + 60t = - 81t2 + t + 54
-1-54 = -55
6278
54 pounds is about 4 stone.