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 Yearling
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Feb
13
revised Can you cancel out a term if equal to zero?
Another fun one
Feb
13
revised Is there a size of rectangle that retains its ratio when it's folded in half?
Full calculation added
Feb
13
suggested approved edit on Is there a size of rectangle that retains its ratio when it's folded in half?
Feb
13
comment Is there a size of rectangle that retains its ratio when it's folded in half?
This ratio is that common that it came as a shock to me when I learned that not all ratios scale.
Feb
12
revised Width and height ratio of object in image
Fixed spelling
Feb
12
suggested approved edit on Width and height ratio of object in image
Nov
7
awarded  Yearling
Oct
22
revised Can you cancel out a term if equal to zero?
Minor grammar
Oct
22
answered Can you cancel out a term if equal to zero?
Oct
13
revised A beautiful game of gold and silver coins
Minor adjustments
Oct
13
answered A beautiful game of gold and silver coins
Oct
13
revised A beautiful game of gold and silver coins
Grammar, formatting, clarification
Oct
13
suggested approved edit on A beautiful game of gold and silver coins
Oct
2
answered Probability that the sum of three integer numbers (from 1 to 100) is more than 100
Sep
30
awarded  Explainer
Sep
24
awarded  Autobiographer
Sep
24
revised Find a 4-digit number which, divided by a 3-digit number (all unique digits) equals 9
Added 41 pairs
Sep
24
answered Find a 4-digit number which, divided by a 3-digit number (all unique digits) equals 9
Sep
15
comment The national lottery
Two observations: 1) Picking different numbers every time saves you the stress of having 'your' numbers come up when you didn't play that week, and 2) quite some people seem to pick numbers based on numbers that are somehow 'lucky' to them, which typically include dates. Picking your numbers in a fashion that no dates can be constructed from them (above 12, above 31, excluding 19 and 20), might save you from having to split the jackpot.
Aug
26
revised Probability of dying from smallpox?
Formatting; aligned equations and inserted \cdot's for clearity