Mathematics, 03.12.2021 19:40 maelonramirez

5x + 15y = 1200 models how many cars washed (x) and how many bikes sold (y) Jim has to do to save $1200. Of the four combinations of car washed and bikes sold below, which does NOT result in $1200? (3, 79)
(6, 78)
(8, 76)
(9, 77)

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5x + 15y = 1200 models how many cars washed (x) and how many bikes sold (y) Jim has to do to save $1...