Posted by **Craig** on Friday, February 20, 2009 at 10:07pm.

Matt has twice as many stickers as David. If David has d stickers, and Matt gives David 10 stickers, how many stickers does each have in terms of d?

- Math -
**drwls**, Friday, February 20, 2009 at 10:20pm
m = 2 d (initially)

After Matt gives Dave 10, they have new amounts m' and d'.

m' = 2 d - 10

d' = d + 10

- Math -
**Reiny**, Friday, February 20, 2009 at 10:28pm
David: d stickers

Matt: 2d stickers

after give-away ...

David : d+10

Matt : 2d - 10

The question is not clearly stated.

Since you used the present tense throughout, one is forced to wonder if Matt "has" twice a many as David before or after the transfer.

I actually interpreted it as

Matt had twice .....

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