Question
A container measuring 31 cm by 24 cm by 21 cm was being filled by two taps. Tap Q delivered water at a rate of 121 cm3 per minute while Tap R delivered water at a rate of 96 cm3 per minute. How long did the 2 taps take to fill the container completely? Express your answers in min.
3 m

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A container measuring 31 cm by 24 cm by 21 cm was being filled by two taps. Tap Q delivered water at a rate of 121 cm3 per minute while Tap R delivered water at a rate of 96 cm3 per minute. How long did the 2 taps take to fill the container completely? Express your answers in min.