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Two constant-rate pumps fill water. Pump A fills 21 liters in 3 minutes; pump B fills 24 liters in 4 minutes. Which fills more liters in 2 minutes at its same rate? Explain using a common basis.
Two constant-rate pumps fill water. Pump A fills 21 liters in 3 minutes; pump B fills 24 liters in 4 minutes. Which fills more liters in 2 minutes at its same rate? Explain using a common basis.