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A poster shop will enlarge a photograph into a poster. Given the size of the photograph and the length of the poster, what is the constant of proportionality? What is the width of the poster, x?
A. k = 4.5, 54 cm
B. k = 3.5, 42 cm
C. k = 6, 96 cm
D. k = 6, 72 cm

A poster shop will enlarge a photograph into a poster Given the size of the photograph and the length of the poster what is the constant of proportionality What class=

Respuesta :

Answer:

photo is 12 by 16

poster is x by 72

which is 4.5 times bigger then the photo so the poster is

54 by 72

Answer A because you find how much larger the poster is to the photo so it is 4.5 times larger and x is 54

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