Seudónimo Seudónimo
  • 23-07-2014
  • Mathematics
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Tim is twice as old as his son. In six years, Tim s age will be three times what his son s age was six years ago. How old is tim s son now?

Respuesta :

luana
luana luana
  • 23-07-2014
x - Tims age
y - sons age
now : x=2y
in six years: x+6=3(y-6)
we subsitude to second equation x=2y
2y+6=3y-18
-y=-24 /:(-1)
y=24
x=2*24=48
Now Tims son is 24 years old
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