Question 1106384
  Bill is 80 years old 
b = 80
 His son max is 5/8 his age
m = {{{5/8}}}*80
m = 50 yrs is Max age 
 His granddaughter Jayne is 1/5 of his age
{{{1/5}}}*80 = 16 yrs is Jayne's age 
 How many years older than Jayne is max?
50 - 16 = 34 yrs