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If Sam were twice as old as he is, he would be 40 years

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If Sam were twice as old as he is, he would be 40 years [#permalink] New post 02 Mar 2004, 18:47
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A
B
C
D
E

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(N/A)

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0% (00:00) correct 0% (00:00) wrong based on 2 sessions
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If Sam were twice as old as he is, he would be 40 years older than Jim.If Jim is 10years younger than sam, how old is sam?
(a) 30

(b) 60

(c) 40

(d) 50

(e) 20
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 [#permalink] New post 02 Mar 2004, 22:32
Expert's post
Dharmin wrote:
IS that A ?



I support A as well :)


By the way, it is a very good backsolving problem for those who did not catch it. Thanks a lot - great question.



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 [#permalink] New post 03 Mar 2004, 05:42
Let ages be S & J

From 1st statement : 2*S-40=J
From 2nd statement : S-J = 10

Solve for S!!
  [#permalink] 03 Mar 2004, 05:42
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If Sam were twice as old as he is, he would be 40 years

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