Skip to main content
PPrime
← Back to archive

Problem #19 · August 15, 2026

Percentages

Given the number 240240, find 15%15\% of it.
  1. A3,63{,}6
  2. B1616
  3. C2424
  4. D3636
  5. E4848

WORKED EXAMPLE

Solution

To find a percentage of a number, convert the percentage to a decimal and multiply the number by it: 15%=0,1515\% = 0{,}15. Therefore, 240⋅0,15=36240 \cdot 0{,}15 = 36. Check: for 240240, 10%10\% is 2424 and 5%5\% is 1212, giving 24+12=3624 + 12 = 36 in total.
Solve today's problem