← ProportionalityZAP 2009, Exercise 5 — Masons working days with 2 absentProportionalityZAP 2009Med-EasyYour answerdaysThe unit is already there: enter only the number.Check answerReveal solutionStuck? Show me one stepRelated exercisesSimilarZAP 2008, Exercise 5 — Seamstresses producing costumes, workers drop outHarderZAP 2014, Exercise 4 — Sandcastle helpersZAP 2012, Exercise 4 — Battery life with energy-saving lampsProportionality 024 — Two gardeners drop out