Question

the sum of three consecutive multiples of 3 is 315.
step by step explanation ​

Answer 1

Answer:

3x105=315

Step-by-step explanation:

(read the table of 3)

Answer 2

Step-by-step explanation:

Let first number be x

second number = x + 3

third number = x +6

ACCORDING TO THE QUESTION :

x + x + 3 + x + 6 = 315

3x + 9 = 315

3x = 315-9

3x = 306

x = 306

3

x = 102

Therefore, x= 102

x+3 = 102+3= 105

x+6 = 102+6 = 108

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