Respuesta :
Answer:
1 63/80 or 1.7875
Step-by-step explanation:
2/4 + 18/5 + 28/10 + 5/20
First find a common denominator (20)
10/20 + 72/20 + 56/20 + 5/20 = 143/20
Then you divide that by 4 which is the number of the set of numbers you are given.
(143/20)/4= 1 63/80
Answer: 1 63/80 or 1.7875
The mean is 7.15 or 7 15/100. Hope this is correct, and please pick me brainliest!!!