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Compute and Interpret Unit Rates
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ParaPro
PPM.045 Compute and Interpret Unit Rates
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A teacher grades 54 papers in 1.5 hours. Which statement gives the unit rate and meaning?
A
36 papers per hour, meaning the teacher grades 36 papers in 1 hour.
B
1/36 hour per paper, meaning each paper takes 36 hours.
C
81 papers per hour, meaning papers and hours are multiplied.
D
54 papers per hour, meaning 1.5 hours is treated as 1 hour.
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