Question

The sum of three consecutive multiples of 3 is 45.The middle number is​

Answer 1

Answer:

15

Step-by-step explanation:

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Answer 2

Answer:

Let the three multiples of 3 be 3x , 3x+3 and 3x+6 .

A/Q

3x+(3x+3)+(3x+6) =45

3x+3x+3+3x+6=45

9x+9=45

9x=45-9

9x=36

x=36/9

x=4

So, the three numbers are :-

»3x=3×4

=12

»3x+3 =3×4+3

=15

»3x+6 =3×4+6

=18

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