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nignag [31]
4 years ago
5

Find the average mean of 2/4, 18/5, 28/10, 5/20

Mathematics
2 answers:
Helga [31]4 years ago
6 0
2/4 + 18/5 + 28/10 + 5/20 = 143/20 (total)
143/20 ÷ 4 = 1 63/80

Ans: 1 63/80 or 1.7875 

:)

julia-pushkina [17]4 years ago
5 0

Answer:

Average mean of the fractions is 1\frac{63}{80}.

Step-by-step explanation:

We have to find the average mean of the given fractions

\frac{2}{4}, \frac{18}{5}, \frac{28}{10}, \frac{5}{20}

Since mean of numbers is represented by the expression

Mean = \frac{\text{Sum of fractions}}{\text{Number of fractions}}

         = \frac{\frac{2}{4}+\frac{18}{5}+\frac{28}{10}+\frac{5}{20}}{4}

         = \frac{\frac{1}{2}+\frac{18}{5}+\frac{14}{5}+\frac{1}{4}}{4}

         = \frac{\frac{10+72+56+5}{20}}{4}

         = \frac{143}{80}

         = 1\frac{63}{80}

Therefore, average mean of the fractions is 1\frac{63}{80}.

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