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Mathematics, 28.10.2020 20:10 lucky1silky

279 sit-ups in 9 days. what is the unit rate? A.13 sit-ups/day
B.27 sit-ups/day
C.31 sit-ups/day

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279 sit-ups in 9 days. what is the unit rate? A.13 sit-ups/day
B.27 sit-ups/day
C.31 si...
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