Answer:
13.6 hours
Step-by-step explanation:
To find the mean you first add all the numbers together, in this case 68. Then you have to divide this by the number of scores you added, which is 5. So 68/5= 13.6
Answer: 3
This is the simplified way
Answer: 65.62 cm
Step-by-step explanation: To find a perimeter, add up the lengths of all of the sides. 10.6+10.6=20.12. 20.12+24.5=44.62. 44.62+21=65.62.
