The sum of 3 consecutive multiples of 9 is 378. Find the multiple
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Explanation:
3 consecutive numbers are 9x,9(x+1),9(x+2)
9x+9(x+1)+9(x+2)=378
9x+9x+9+9x+18=378
27x+27=378
27(x+1)=378
x=13
therefore 3 multiples are 117,126,135
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