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
Learn more about addition at:
#LearnwithBrainly
Answer:
21/18 which simplifies to <u>7/6</u>
Step-by-step explanation:
160 adults and 80 students seems to be correct
Answer: Her e-mail password is 
Step-by-step explanation:
You know that a part of Rivka's e-mail password is formed by the last four digits of her telephone number.
The exercise gives you the last four digits of Rivka's telephone number:

Now, in order to find the other numbers, you need to descompose
into its prime factors. Then:

Therefore, based on this, you can determine that her e-mail password is:

A unit rate will always end up having one as its denominator so divide 305 by 5 which is 61 rotations/1 minute.