Answer:
5 $ per hour
Step-by-step explanation:
73-2=71
so 71 is the correct answer
b,c
they are the only two tha tproperly use the equation
so, from 2 to 6, is 4 units.
from 1.5 to 2, is 0.5 units.
from 6 to 6.7, is 0.7 units.
4 + 0.5 + 0.7 => 4 + 1.2 => 5.2.