← Word problemsWord Problems 004 — Filling a pool with inflow and outflowWord problemsPracticeMed-HardYour answera)secondsminuteshoursdaysweekshours + minutesminutes + secondsb)secondsminuteshoursdaysweekshours + minutesminutes + secondsEnter the number. You can pick another unit from the list.Check answerReveal solutionStuck? Show me one stepRelated exercisesEasierWord Problems 045 — ZAP 2020, Exercise 7: Fountain in UnterländliProportionality 025 — Three pipes for the alpine troughSimilarWord Problems 040 — ZAP 2022, Exercise 8: Mrs Donatsch's bathtubZAP 2012, Exercise 6 — Bottling machines starting at different times