For every lawn that she mows, Jane charges $8 per hour for every hours that she works. For each lawn that he mows, Bob charges a fixed fee of $20 and an additional $5 for every hour that he works. What is the fewest number of hours that both could work so that Jane's total pay for a lawn will be greater than Bob's?
A. 1 hour
B. 5 hours
C. 6 hours
D. 7 hours

Question

For every lawn that she mows, Jane charges $8 per hour for every hours that she works. For each lawn that he mows, Bob charges a fixed fee of $20 and an additional $5 for every hour that he works. What is the fewest number of hours that both could work so that Jane's total pay for a lawn will be greater than Bob's?
A.		 1 hour
B.		 5 hours
C.		 6 hours
D.		 7 hours

anonymous · Answer

This question is basically finding at which point Jane makes more money so set up the equation: 
8X > 20 + 5X 
3X > 20 
X > 6.6666 

So, Jane will need to have at least 7 hours of work to make more money. 

So your answer will be D.) 7 hours.

anonymous · Answer

D