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!!!