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OlgaM077 [116]
3 years ago
11

Fred, Norman, and Dave own a total of 128 comic books. If Dave owns 44 of them, what is the average

Mathematics
1 answer:
iren [92.7K]3 years ago
7 0

Answer:

Mean = 42

Step-by-step explanation:

Given

Represent Fred with F; Norman with N and Dave with D.

Total = 128

D = 44

Required

Determine the arithmetic mean of F and N

First, we have that:

F + N + D = 128

Substitute 44 for D

F + N + 44 = 128

Subtract 44 from both sides

F + N + 44 - 44 = 128 - 44

F + N  = 84

Arithmetic mean of F and N is calculated as follows:

Mean = \frac{F + N}{2}

Mean = \frac{84}{2}

Mean = 42

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