In 2005 Jennifier was twice as old as her son Carl. If Carl was born in 1984, when was Jennifier born?

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In 2005 Jennifier was twice as old as her son Carl. If Carl was born in 1984, when was Jennifier born?

2007-01-08 10:05:12 · 4 answers · asked by girlsrule688 1 in Science & Mathematics ➔ Mathematics

4 answers

Work backwards:

If carl was born in 1984,
then he was 2005-1984 = 21 years old in 2005.

If Jennifer was twice as old as her son Carl, then she was 42.

Jennifer was born in 2005 -42 = 1963

2007-01-08 10:13:26 · answer #1 · answered by vejjev 2 · 0⤊ 0⤋

In 2005 Jennifer is twice as old as Carl. Since Carl is 21 (2005-1984) then Jennifer is 42. Hence Jennifer was born in (2005-42) or 1963.

2007-01-08 10:23:45 · answer #2 · answered by raf67ab 2 · 0⤊ 0⤋

1963

2007-01-08 10:09:28 · answer #3 · answered by SnowXNinja 3 · 0⤊ 0⤋

(2005 - 1984 ) X 2 = jenns age
2005 - jenns age = jenns birth year

2007-01-08 10:15:41 · answer #4 · answered by kate 7 · 0⤊ 0⤋