Puzzles
Exact change
Source: @AlexDBolton on Twitter
In the UK, the coins less than £1 are 1p, 2p, 5p, 10p, 20p and 50p. How many coins would I need to carry in my pocket so that I could make any value from 1p to 99p?
In the US, the coins less than $1 are 1¢, 5¢, 10¢, 25¢. How many coins would I need to carry in my pocket so that I could make any value from 1¢ to 99¢?
If you enjoyed this puzzle, check out Sunday Afternoon Maths XXIV,
puzzles about numbers, or a random puzzle.
puzzles about numbers, or a random puzzle.