Respuesta :

2/24 = 9/n   2 times 4.5=9, so 24 times 4.5=108. n=108, so the the answer is 9/108 for Shop  Smart.  

 4/12 = 9/a    4 times 2.5=10, so 12 times 2.5= 30. a= 30, so the answer is 10/30 for Super Saver.

3/12 = 9/b   3 times 3= 9, so 12 times 3= 36. b= 36, so the answer is 9/36 for Price Buster.

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