Question
A tank measuring 31 cm by 26 cm by 20 cm was being filled by two taps. Tap Q delivered water at a rate of 157 cm3 per minute while Tap R delivered water at a rate of 91 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 31 cm by 26 cm by 20 cm was being filled by two taps. Tap Q delivered water at a rate of 157 cm3 per minute while Tap R delivered water at a rate of 91 cm3 per minute. How long did the 2 taps take to fill the tank completely? Express your answers in min.