Sariah has just begun training for a half-marathon, which is13.1miles. Since she was on vacation, she started the training program later than the rest of her running club. There are6weeks of training runs remaining before the race.

In her first week of training, Sariah ran3 miles. She ran4.5miles the second week and6miles the third week. If she continues to increase the length of her runs the same way, will there be enough time left in the training program for her to get up to half-marathon distance?

Describe how you would solve this problem using Polya's four-step problem-solving method.

1. Understand the problem. Task 1:Read the problem and restate what the question asks.
2. Formulate a plan. Task 2:Identify the model you would use to represent the problem and explain why you chose that model.
3. Implement the plan. Task 3:Solve the problem and state your answer.
4. Review the results. Task 4:Explain your problem-solving process and how you know your answer is correct.