Ana and john are salespeople at store.If they made 36 sales one day and john sold three less than twice Ana's sales total,how many did john sell?
Let a = Ana's sales
2(a - 3) + a = 36
3a - 6 = 36
3a = 42
a = 14
2(a - 3) + a = 36
3a - 6 = 36
3a = 42
a = 14