Posted by Desire on October 14, 2002 at 18:45:25:
In Reply to: No!!! look again posted by Joel on October 14, 2002 at 18:22:16:
2m+25=39
m=7
j=7+5=12
7+10+12+10=39
Eurika :) (I think)
: 12) John is 5 years older than Mary. Ten years from now,the sum of their ages will be 39. How old is John now?
: : John = J
: : Mary = M
: : J = 5 + M
: : (J+10)(M+10)= 39+10
: ..................................................
: J + 10 + M + 10 = 39
: (M + 5) + 10 + M + 10 = 39
: 2M + 25 = 39
: NOW FINISH IT. KEEP TRYING UNTIL YOU GET MARY IS 7 AND JOHN IS 12. 7+10 + 12+10 = 39
: ..................................................