Question

What is the average of first five multiples of 3​

Answer 1

Answer:

The average of first five multiples of 3 is 9 .

Step-by-step explanation:

First five multiples of 3 are

3 × 1 = 3

3 × 2 = 6

3 × 3 = 9

3 × 4 = 12

3 × 5 = 15

Average of first five multiples of 3

$= \frac{3 + 6 + 9 + 12 + 15}{5} \\ = \frac{45}{5} \\ = 9$

Answer 2

Step-by-step explanation:

a1=3,a2=6,a3=9,,a4=12,,a5=15. then 3+6+9+12+15=45 then, average=sum of 3 multiples÷2 this way average=45÷2=22.5