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After Ali gave 110 pencils to Afzal and 75 to Amjad, he still had 315 left. What percent of his pencils did Ali give away?

After Ali gave 110 pencils to Afzal and 75 to Amjad, he still had 315 left. What percent of his pencils did Ali give away?

Explanation

Let the total number of pencils be x.

  • Pencils given to Afzal = 110
  • Pencils given to Amjad = 75
  • Remaining pencils = 315

So,
x - (110 + 75) = 315
x - 185 = 315
x = 500

Now, percentage of pencils given away:
(185 / 500) × 100 = 37%