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When 640 is reduced by 30 percent what is the result?

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Anonymous

∙ 14y ago
Updated: 8/19/2019

Reducing something by 30% involves working out what 30% of it is, then subtracting that amount.

30% of 640 means 30 hundredths of 640.

One hundredth of 640 is 6.4, so 30 hundredths is 30 x 6.4 = 192

30% of 640 = 192, so 30% off 640 = 640 - 192 = 448

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Wiki User

∙ 14y ago
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