Answer:
The greatest common factor is 2.
35x100 hours = $3500+$65= $3565 for 100 hours of work and materials.
12
Step-by-step explanation:
Factors of 30: 1,2,3,5,(6),10,15,30
Factors of 42: 1,2,3,(6),7,14,21,42
30 divided by 6, 42 divided by 6
(5) + (7)= 12
C. minutes