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A picture frame measures 18 cm by 20 cm on the outside, and 168 cm?
of picture shows.
Find the width of the frame around the picture.
The width of the frame is
cm.

A picture frame measures 18 cm by 20 cm on the outside and 168 cm of picture shows Find the width of the frame around the picture The width of the frame is cm class=

Respuesta :

frenchiegirl

Answer:

hello

( 20 - 2 x ) ( 18 - 2 x )

= 360 - 40 x - 36 x + 4 x²

= 4 x² - 76 x + 360

Step-by-step explanation:

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