If a, b, c and d are positive integers such that ab = 192, bc =360 and cd = 750 what is the sum of all possible values of a + b + c + d?
ab = 192
bc = 360
cd = 750
Let a = 8 b = 24 c = 15 d = 50 sum = 97
Let a = 16 b= 12 c = 30 d = 25 sum = 83