Morgan is 21 years older than Mark in 4 years Morgan will be double marks age how old is each now

Question

Morgan is 21 years older than Mark in 4 years Morgan will be double marks age how old is each now

Answer 1

x = 21 + y x is Morgan's age now, y is Mark's age now

x+4 = 2(y+4) = 2y-8

x= 2y+4

21+ y = 2y+4

y = 17 years old for Mark now

x =38 years old for Morgan now