30 of 400

30 of 400 is 120

Best way to calculate:


Unknown value "Y"

100% / 400 = 30% / Y 100 / 400 = 30 / Y
Y ( 100 / 400 ) = 30
Y = 30 ( 400 / 100 )
Y = 120

The Answer: 120

Source: What is 30 of 400

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