Question

The sum of three consecutive multiples of 3 is 72 . Find the number

Answer 1

Answer:

Answer are 21,24,27.

Step-by-step explanation:

Let three consecutive multiples of 3 be x, x+3,x+6.

Acc. to question,

x + (x+3)+ (x+6) = 72

3x + 9 = 72

3x = 72-9

x = 63

3

x = 21

Hence,

Numbers are 21,24,27.

Answer 2

Let the first number be x, then second number would be x+3, and the third number would be x+6

Now, it is given that their sum is 72

So, x + x+3 + x+6 = 72

3x + 9 = 72

3x = 72-9

3x = 63

x = 63/3

x = 21 [ 1st number ]

x+3 = 21+3 = 24 [ 2nd number ]

x+6 = 21+6 = 27 [ 3rd number ]

Hence the three consecutive multiples of 3 are 21, 24 & 27 respectively whose sum is 72.

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