Answer the following problem using Polya's 4-step model. PROBLEM 1 You are riding a jeepney, and the fare is calculated based on the distance traveled. The initial fare covers the first 4 kilometers, and every succeeding kilometer adds an additional cost. The initial fare is Php 12.00, and each succeeding kilometer costs Php 1.50. If your journey covers 8.5 kilometers, how much should you pay for the jeepney ride? PROBLEM 4 You have two jugs, one that holds 5 liters of water and another that holds 3 liters. Using only these jugs, can you measure exactly 4 liters of water? Explain how will you do it.