Question 259896
Let joe's age be x.
Andy's age will be x-2 now. ( because after two years andy will be joe's age.)

After two years the relation of their ages will be

x+2 = 3/2 * x ( joe is one and half times andy's age.)
2(x+2)=3
2x+4=3x
3x-2x=4
x=4 Joe's age, 4 years.

2years- Andy's age