Jenny is a software salesperson. Her base salary is $ 1500 and she makes $50 more for every copy of English is Fun she sells. Her total pay, P (in dollars), after
selling c copies is given by the following.
P = 50c+1500
oo
Answer the following questions.
B
(a) What is Jenny's total pay if she sells 21 copies?
si
(b) If Jenny's total pay is $3150, how many copies did she sell?
copies