The sum of the ages of Andrea and her mother is 45. Fifteen years from now, the mother will be twice as old as Andrea. How old is each now?

Question

gorv · Answer

35 and 10 initially
and after 15 year 50 and 25 year old

anonymous · Answer

Howd you come up with that answer? @gorv

gorv · Answer

@jillang07 
andrea + mother =45
after 15 years
mother +15=2(andrea+15)
mother=2*andrea+15
now putting mother  in (andrea + mother=45)
andrea+ 2*andrea+15=45
3*andrea=30
andrea=10 year
aftr 15 yr 
andrea=10+15=25
mother=25*2=50