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.

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asked Jan 9, 2023 144k views

20 votes

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-example-1

Mathematics
college

Hellen asked

by Hellen

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1 Answer

10 votes

Answer:

hello

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

= 360 - 40 x - 36 x + 4 x²

= 4 x² - 76 x + 360

Explanation:

Ben Jarman answered Jan 13, 2023

by Ben Jarman

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