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Remember that 10% of any number is the number itself with the decimal moved one place to the left.

  • 10% of 1030 = 103.0 (10%)
  • 20% of 1030 = 103.0 + 103.0 = 206.0 (10% + 10% = 20%)
  • 30% of 1030 = 206.0 + 103.0 = 309.0 (20% + 10% = 30%)

Therefore, 309.0 is 30% of 1030.

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12y ago

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