Monday

April 21, 2014

April 21, 2014

Posted by **kim** on Sunday, July 14, 2013 at 11:23am.

2. Tom is three times as old as Leigh Ann. In 7 years, the sum of half of Tom's present age and a third of Leigh Ann's age will be the same as Tom's age now. How old will Tom be in 7 years?

- math -
**mahesh**, Monday, July 15, 2013 at 3:23amLet the integers be x and x/4.Then

x/4+12=x-3 or x+48=4x-12 by multiplying both sides by 4.

Or -3x=-20-48 or x=20 which is the larger integer. Smaller one is then 20/4=5.

Check:5+12=17=20-3 OK.

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