It took 60 seconds to fax all documents to Gem
Step-by-step explanation:
The simple addition has to be done to solve the given problem
Given
total faxes = 4
Time for fax 1: 
Time for fax 2: 
Time for fax 3: 
Time for fax 4: 
The total time t will be:

Hence,
It took 60 seconds to fax all documents to Gem
Keywords: Time, addition
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2
Factors of 8: 1, 2, 4, 8
Factors of 6: 1, 2, 3, 6
Factors of 10: 1, 2, 5, 10
Answer: B
Step-by-step explanation: