All you have to do is divide the 120 by 4 because you will be splitting it up into a individual hour. So 120 divided by 4 = 30.
The plumber charges $30/hour.
Answer: 462
Step-by-step explanation:
The GCF for the first one is 4
The GCF for the second one is 4
The GCF for the third one is 2
The GCF for the fourth one is 4
The GCF for the fifth one is 2
The GCF for the six one is 2