← EquationsEquations 025 — ZAP 2018, Exercise 3EquationsZAP 2018MediumYour answerEnter only the number. Use a point or comma for decimals.Check answerReveal solutionStuck? Show me one stepRelated exercisesSimilarWord Problems 008 — Splitting the cost of a class tripProportionality 052 — ZAP 2025, Exercise 6: Research stationExpedition provisions — three members turn back