Alexandro is 6 years old than his wife. Carla. Sixteen years ago Alexandro was one and one-half times as old as Carla. How old are they now?
a = c + 6
a - 16 = 1.5 *(c-16)
so
c + 6 -16 = 1.5 c - 24
.5 c = 14
c = 28
a = 34
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check
34 -16 = 1.5(28-16) ????
18 = 1.5 * 12 = 18 remarkable !!!!