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December 21, 2014

December 21, 2014

Posted by **Bella** on Thursday, April 7, 2011 at 5:25pm.

Larry is 8 yrs older than his sister.In 3 yrs, hr will be twice as old as she will be then.how old is each now?

- word problems -
**Squid**, Thursday, April 7, 2011 at 7:21pmfirst use a random number for the sister's age. one, for example. so larry is 8 years older than that. 1+8=9, so larry is 9. in 3 years he will be 12, and his sister will be 4. 12 isnt twice as old as 4, so the sister is not 1. Try for yourself with different ages, like 2, 3, 4, 5, 6, and 7.

- word problems -
**XxBubblexX**, Wednesday, June 13, 2012 at 5:22pmuse x to represent his sisters age

his sister is x so larry is x+8

in 3 years the sister will be x+3 and larry will be 2x+3 because he is twice as old as her plus 3 years and then solve

x+8=2x+3

the answer is 5 his sister is 5 and he is 13

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