Question

The average of the first five multiples of 9 is:

Answer 1

Answer:

1×9

3×3 are the average of the first five multiples of five

Answer 2

Answer:

First 5 multiples of 9 are 9,18,27,36 and 45

$average = \frac{9 + 18 + 27 + 36 + 45}{5} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{135}{5} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 27$

Step-by-step explanation:

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