← Proportionality

ZAP 2008, Exercise 5 — Seamstresses producing costumes, workers drop out

ProportionalityZAP 2008Medium

Your answer

days

The unit is already there: enter only the number.

Related exercises

Easier

ZAP 2009, Exercise 5 — Masons working days with 2 absent Painters — more workers, shorter working day

Similar

ZAP 2014, Exercise 4 — Sandcastle helpers Proportionality 024 — Two gardeners drop out Snow clearing — extra vehicles join partway ZAP 2013, Exercise 6 — Cherry harvest with pupils (14 days)

Harder

ZAP 2006, Exercise 9 — Garden work rate with adults and children Proportionality 020 — Trucks for the excavation