HELP URGENT I WILL GIVE 5 STARS 3 PARTS Part 1) Julie participated in a walk-a-thon to raise money for her school. Her friend was recording her distance and time in the table below but forgot to complete the sections labeled a, b, and c. Assuming Julie walked at a constant speed for the entire walk-a-thon, what are the values for a, b, and c?

Part 2) Write an equation to represent this data table

Part 3)Next year, Julie wants to walk 20 miles. If she walks at the same speed as this year, how long will it take her? EXPLAIN YOUR REASONING.

PLS HELP THIS IS DUE IN 15 MINS