Diane, Alan, and Jim have a total of $108 in their wallets. Jim has 4 times what Alan has. Alan has $6 less than Diane. How much do they have in their wallets?
d
a = d-6
j = 4a = 4(d-6) summed = 108
d + d-6 + 4(d-6) = 108
6d -30 = 108
6d = 138
d = $ 23 then a = 17 j = 68