Anita's music collection consists of only rock, pop and jazz CDs. The ratio of the number of rock CDs to the number of pop CDs is 3:4.The ratio of the number of rock CDs to the number of jazz CDs is 5:4. If Anita has 20 pop CDs, what is the TOTAL number of CDs in her collection?

Question 3 (essay worth 10 points) (03.06 mc) part a: max rented a motorbike at $465 for 5 days. if he rents the same motorbike for a week, he has to pay a total rent of $625. write an equation in the standard form to represent the total rent (y) that max has to pay for renting the motorbike for x days. (4 points) part b: write the equation obtained in part a using function notation. (2 points) part c: describe the steps to graph the equation obtained above on the coordinate axes. mention the labels on the axes and the intervals. (4 points)