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Ratios, Proportions, Rates, and Unit Rates
Grade Level
ACT Prep
AS.029 Ratios, Proportions, Rates, and Unit Rates
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A tank table shows concentration increased 18 mg/L in 3 h for Tank A, 28 mg/L in 7 h for Tank B, and 24 mg/L in 4 h for Tank C. What is the ratio of Tank A's rate to Tank B's rate?
A
3:2
B
6:7
C
2:3
D
18:28
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