Posted by **Maria** on Sunday, January 2, 2011 at 9:52pm.

I don't get page 50 of algebra with pizzazz!

Please help?

7) Kathy is 6 years younger than bill. 12 years ago bill was twice as old as Kathy was then. How old are they now?

- Math -
**Reiny**, Sunday, January 2, 2011 at 10:33pm
let Bill's present age be x

then Kathy's present age is x-6

12 years ago:

Bill was x-12

Kathy was x-6 - 12 or x - 18

at that time bill was twice as old as Kathy --- x-12 = 2(x-18)

x-12 = 2x - 36

-x = -24

x = 24

so now bill is 24 and Kathy is 18

- Math -
**Maria**, Monday, January 3, 2011 at 9:17pm
Alright thanks I get it now (:

I guess I was just multiplying wrong.

## Answer this Question

## Related Questions

- ALGEBRA - Jennie and Bill have a combined age of 50. 16 years ago Jennie was ...
- math - bill and ted combined age is 40. Eight years ago, bill was 2 years ...
- Math - Help please. Jennie and Bill have a combined age of 50. 16 years ago ...
- Math - Jill and Bill are two members of the Hill family. Jill is 8 years old and...
- algebra - A person is 3 times as old as aonther person but in 15 years she will ...
- Math - 2x represents that Clyde is twice (2 times) as old as Bonnie. 6 years ...
- Pre-algebra - Sara is 24 years younger than Joe. Six years ago she was half as ...
- math - Al is twice as old as Bill, who is twice as old as Carl. In 10 years, Al ...
- Math - Sara is 24 years younger than Joe. Six years ago she was half as old as ...
- math - Jack is twice as old as he was 5 years ago. His mother was then six times...