For Numbers 19-20, answer the word problem below and show your complete solution/s. 19-20. Zairrah Mae resides in a General Santos Cit, but she starts a new job in Glan Sarangani. Every Monday, she drives her new car Mustang 2025 90 kilometers from her residence to the office and spends the week in a company apartment. She drives back home ever Friday. After 4 weeks of this routinary activity, her car's odometer shows that she travelled 870 kilometers since she bought her Mustang2025. Write a linear model which gives the distance y covered by the car as a function of x number of weeks since she used the car.​