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45% of 750 - 25% of 480 =__________?

Correct answer: B. 217.50

  • A. 216
  • B. 217.50
  • C. 236.50
  • D. 245

Explanation

45% of 750 is (45/100) x 750 = 337.50, and 25% of 480 is (25/100) x 480 = 120.00; their difference is 337.50 - 120.00 = 217.50, while option a, 216, results from inaccurate percentage calculation.

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Percentages express a quantity as parts per hundred and support calculations involving increases, decreases, discounts, commissions, taxes, and successive changes. Questions require distinguishing percentage change from percentage points and identifying the original value when a final value and its percentage change are given.

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