Melody is paid $M per week. She earns a weekly flat wage of $80 plus an additional $0.15 for each of the n customers she advises. Her salary, in terms of the number of customers she advises, n, is represented by the equation .M=80+15n/100 a. Find the salary she receives for advising 360 customers per week for 4 consecutive weeks.
b. Melody received $140 at the end of a certain week. How many customers did she advise that week?
c. Melody's employer decides to decrease her basic wage to $65 and increase her salary per customer advised to $0.21. Write a linear equation to represent her new salary, M, in n terms of the number of customers she advises, n.
d. Find the number of customers she would have to advise in one week to receive the same amount of money before the decrease in basic wage.