Question

Dad is 4 times as old as his son Jim. In 10 years, dads age will be 20 years mare than twice jims age. How old is Jim?

Answer 1

10 is the answer I’m AssuminG

Answer 2

D = 4J and D + 10 = 2(J + 10) add 20
 D=4j and d + 10= 2 (j+10) 
-You have to substitute 2 and j and 2 and 10 
-Then add 10