The ratio of Alan's apples to Don's apples was 3:5. When Alan gave 30 of his apples to Don, the ratio of Alan's apples to Don's apples became 1:5. Find the number of apples Alan had at first?
+66 Don's apples = D
Alan's apples = A
D = A * 1.666
A - 30 = (D -30)/5
A = 54
D = 90
Alan had 54 apples at first
