825 - 270
555 / 15
The carpenters rate is $37 a hour.
Answer:
37.68cm
Step-by-step explanation:
C = 2
r
C = circumference
= the constant pi (3.14)
r = radius of the circle (6cm)
d = diameter of the circle (12cm)
d = 2r
C = 2 · 3.14 · 6
C = 37.68cm
It is best to use mental math with some equations (5x5 or something that is easy enough that work does not have to be shown 10 dived by 5