Question

If the average of 3 number is 15 and the first number is 3 less than second number and the third number is 3 number than second number

Answer 1

Step-by-step explanation:

Sum = 3×15 = 45

Let The Second number be X

So that First no.will be,

X-3

second number = X

Third Number = X+3

X+X-3+X+3= 45

3X = 45

X = 15....

First Number = X-3 = 15-3 = 12

Second Number = X = 15

Third Number = X+3 = 15+3 = 18...

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