Jeff wants to save $4000 to buy a used car. He has already saved $850. He plans to save an additional $150 each week. Part A Write and solve an equation to represent the number of weeks remaining $w$ until he can afford the car. Equation: Question 2 There are weeks remaining until Jeff can afford the car. Question 3 Jeff saves $150 per week by saving $\frac{3}{4}$ of what he earns at his job each week. He works 20 hours per week. Part B Write an equation to represent the amount per hour $a$ that Jeff must earn to save $150 per week. Equation: Question 4 Explain your reasoning. 0 / 10000 Word Limit Question 5 Part C What is the amount per hour that Jeff must earn? Jeff must earn dollars per hour.