Question
A tank measuring 32 cm by 25 cm by 21 cm was being filled by two taps. Tap N delivered water at a rate of 120 cm3 per minute while Tap P delivered water at a rate of 90 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 32 cm by 25 cm by 21 cm was being filled by two taps. Tap N delivered water at a rate of 120 cm3 per minute while Tap P delivered water at a rate of 90 cm3 per minute. How long did the 2 taps take to fill the tank completely? Express your answers in min.