← Word problemsWord Problems 051 — ZAP 2018, Exercise 6Word problemsZAP 2018MediumYour answermmcmdmmkmEnter the number. You can pick another unit from the list.Check answerReveal solutionStuck? Show me one stepRelated exercisesSimilarProportionality 023 — The wrongly set filling machineWord Problems 055 — ZAP 2016, Exercise 3