Question

if the difference between half of joy's age two years from now and one third of his age two years ago is 7 years, then the present age of joy is
Plzzzz answer fast i have exam tomorrow

Answer 1

Let Joy's age be x yrs.
after 2 yrs his age will be (x+2) yrs
2 yrs ago his age was (x-2) yrs
given:
{(x+2)÷2}-{(x-2)÷3}=7
=> {3x+6-2x+4}÷6=7
=>x+10=42
=> x=32
Therefore the present age of Joy is 32yrs