19 August 2023

• curprev 13:4613:46, 19 August 2023 Prezlink16 talk contribs 1,630 bytes +1 →Solution 3

14 August 2023

• curprev 12:0912:09, 14 August 2023 Prezlink16 talk contribs 1,629 bytes +34 →Solution 3
• curprev 12:0812:08, 14 August 2023 Prezlink16 talk contribs 1,595 bytes +30 →Solution 3
• curprev 12:0712:07, 14 August 2023 Prezlink16 talk contribs 1,565 bytes +390 →Solution 3
• curprev 12:0312:03, 14 August 2023 Prezlink16 talk contribs 1,175 bytes +16 →Solution 2(algebra solution)

22 January 2023

• curprev 19:5419:54, 22 January 2023 Rc1219 talk contribs 1,159 bytes +6 →See Also

14 January 2023

• curprev 11:5411:54, 14 January 2023 Rc1219 talk contribs 1,153 bytes +70 →See Also

15 August 2021

• curprev 14:2314:23, 15 August 2021 MRENTHUSIASM talk contribs m 1,083 bytes +56 Undo revision 160332 by Raina0708 (talk) I PM'ed Raina0708 for suggesting NOT to erase LaTeX. So, I will restore the LaTeX code. LaTeX makes solutions more professional. Tag: Undo
• curprev 12:5212:52, 15 August 2021 Raina0708 talk contribs 1,027 bytes −56 →Solution 1(logical solution)

28 April 2021

• curprev 11:0111:01, 28 April 2021 Zack2008 talk contribs 1,083 bytes +18 →Solution 2
• curprev 11:0111:01, 28 April 2021 Zack2008 talk contribs 1,065 bytes +18 →Solution 1

22 January 2020

• curprev 18:1618:16, 22 January 2020 Ise talk contribs m 1,047 bytes +1 →Problem

7 November 2016

• curprev 15:4615:46, 7 November 2016 That crazy book nerd talk contribs 1,046 bytes +328 No edit summary

24 August 2013

• curprev 16:5416:54, 24 August 2013 NeilOnnsu talk contribs 718 bytes +2 →Problem

5 July 2013

• curprev 00:5000:50, 5 July 2013 Nathan wailes talk contribs 716 bytes +15 No edit summary

5 November 2012

• curprev 16:3616:36, 5 November 2012 Mathway talk contribs 701 bytes +55 No edit summary
• curprev 16:3616:36, 5 November 2012 Mathway talk contribs 646 bytes +400 No edit summary

30 October 2012

• curprev 14:3114:31, 30 October 2012 Bigc08 talk contribs 246 bytes +246 Created page with "Since 80 percent of the 500 balls are red, there are 400 red balls. Therefore, there must be 100 blue balls. For the 100 blue balls to be 25% or 1/4 of the bag, there must be 400..."