Question

the sum of three consecutive multiples of 3 is 63 find the number​

Answer 1

Step-by-step explanation:

LET THE MULTIPLES BE 3k,,3(k+1) and 3(k+2)

ADDING ALL THREE

9K + 9=63

9K= 54

K= 6

HENCE number are 18,21 and 24

HOPE IT HELPS YOU....

MARK AS BRAINLIEST...

Answer 2

Let the 3 consecutive multiples of 3 be

↠$x$

↠ $x$+3

↠ $x$+6

__________________________________

↠$x$+$(x+3)+(x+6)=63$

↠$3x+3+6=63$

↠$3x+9=63$

__________________________________

↠$3x=63-9$

↠$3x=54$

↠$x=54\3$

↠$x=18$

__________________________________

∴ The 3 consecutive multiples are 18,21 and 24