You work in a hospital, and instructions for an instrument state that it should be cleaned in the sterilizer for two hours. The sterilizer requires cleaning time be entered in minutes. How many minutes do you set for the sterilizer?

120 mins

Step-by-step explanation:

number of minutes in an hour = 60

number of hours = 2

total number of minutes = 60 x 2 = 120

120 minutes

Step-by-step explanation:

an hour is 60 minutes and if you put them in for 2 hours you multiply 2×60 and your answer is 120

the perimeter is increased by a factor of 2

341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.