Posted by **Clara** on Tuesday, April 1, 2008 at 12:02am.

A picture frame is 20cm x 16cm. There is 192cm squared of picture showing. Find the width of the frame.

- Algebra -
**bobpursley**, Tuesday, April 1, 2008 at 7:31am
Hmmmm.

Well if the width subtracts from the original dimensions,

then

(20-2w)(16-2w)=192

solve for w.

- Algebra -
**kvonna**, Tuesday, April 1, 2008 at 4:42pm
inside the perenthesis you have to subtract 2 from 20 you should get 18 and if you subtract 2 from 16 you should get 14.multiply 18x14 and you should get 192 and that's how you check your answer.

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