SOLUTION: A defence attorney charges her client $4000 plus $120 per hour. The formula R=120n + 4000 gives her revenue in dollars for n hours of work. What is her revenue for 100 hours of wo

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: A defence attorney charges her client $4000 plus $120 per hour. The formula R=120n + 4000 gives her revenue in dollars for n hours of work. What is her revenue for 100 hours of wo      Log On


   



Question 93214: A defence attorney charges her client $4000 plus $120 per hour. The formula R=120n + 4000 gives her revenue in dollars for n hours of work. What is her revenue for 100 hours of work? What is her revenue for 101 hours of work? By how much did the one extra hour of work increase the revenue?
Please help me. Thank you in advance

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
R=120N+4000
R=120*100+4000
R=12000+4000
R=16000 FOR 100 HOURS.
R=120*101+4000
R=12120+4000
R=16120 FOR 101 HOURS OR AN INCREASE OF 16120-16000=$120.