Robert is 27 years older than his son, and ten years from now, he will be twice as old as his son. how old is robert now?

Answer:

**Now:**

Robert: x+27

Child: x

**Ten years from now:**

Robert: x+37

child: x+10

x+37=2(x+10)

x+37=2x+20,

17=x

Correct the answer: **x+27=17+27=44**