(20n+3)
n = number of hours = 1
(20(1)+3) = 23
$23
where is the question to this
The lower end of the range is
42.670 - 0.002 = 42.668 mm
The upper end of the range is
42.670 + 0.002 = 42.672 mm
The range of acceptable values is 42.668 mm to 42.672 mm.
Answer:



So the cost of labor is $65 per hour.
(2,4)
I marked them on coordinate plane