Respuesta :

sreanpanhaseth

Answer:

A number is a multiple of 3 if the sum of the digit equal to a number divided by 3

so, 3+7+0+9=19

21, 24, 27 are numbers that is a multiple of 3

So, the number are

19+x=21

x=2

19+x=24

x=5

19+x=27

x=8

diyasony2008

Answer:

1110

Step by step explanation:

370×9=3330

in the question it's said that 370 ×9 is a multiple of 3

i.e,3330 is a multiple of 3.

3 multiplied with x = 3330

x = 3330/3

=1110

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