Question

You are hiring someone to prune your trees. One charges $15 consult fee + 8/hr. Another charges no consult fee and $10/hr. who would you hire for a 3 hr job? where do they break even?

Answer 1

1) 3 hours work:
1st consultant: 15+3*8=39
2nd consultant: 3*10=30

Answer 2

2nd consultant is cheaper
right?

Answer 3

y=10(x)
y=8x+15

Answer 4

this would work to calculate where do they break even.
8x+15=10x
x=... hours

Answer 5

they break even at 10x=8x+15 ... 2x=15 .... x=7.5

Answer 6

yep. 7.5 hours