please give me age problems !! please and thank you
2007-03-08 19:32:02 · 4 answers · asked by Sachi* 1 in Science & Mathematics ➔ Mathematics
Johnny's age is 50% of Mary's age.
64 years form now, Johnny's will be 82 years old.
When Johnny is 82 years old, how old will Mary be ?
Solution:
Let Johnny's age be x and Mary's age be y - for present time.
x + 64 = 82 yr.
x = 82 - 64
x = 18yr.
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Mary is twice as old as Johnny.
2(x) = y
2(18) = 36yr.
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64 years later :
x + 64 = 18 + 64 = 82 yr. - Johnny's age.
y + 64 = 36 + 64 = 100yr. - Mary's age.
2007-03-08 21:04:38 · answer #1 · answered by Brenmore 5 · 0⤊ 0⤋
Alex and Zen have the ages in yhe ratio 2 :3 . 6 years hence their ages will be in the ratio 5 : 7. What was their ages 2 years ago?
2007-03-08 20:22:11 · answer #2 · answered by ritesh s 2 · 0⤊ 0⤋
the sum of the present agesof a father&son is 55 yrs. after 16 yrs. fathers age will be twice the sons age.what are the present ages of the father & son ?
2007-03-08 20:29:37 · answer #3 · answered by genius 1 · 0⤊ 0⤋
I am twice as old as you were when I was as old
as you now are. When you get to be as old as I am
the sum of our ages will be 63. How old are we now?
2007-03-09 01:52:34 · answer #4 · answered by steiner1745 7 · 0⤊ 0⤋