Question
A tank measuring 30 cm by 24 cm by 21 cm was being filled by two taps. Tap Y delivered water at a rate of 156 cm3 per minute while Tap Z delivered water at a rate of 96 cm3 per minute. How long did the 2 taps take to fill the tank completely? Express your answers in min.
3 m

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A tank measuring 30 cm by 24 cm by 21 cm was being filled by two taps. Tap Y delivered water at a rate of 156 cm3 per minute while Tap Z delivered water at a rate of 96 cm3 per minute. How long did the 2 taps take to fill the tank completely? Express your answers in min.