One night two candles were lit. Can you work out how long each candle was originally?
A mother wants to share a sum of money by giving each of her
children in turn a lump sum plus a fraction of the remainder. How
can she do this in order to share the money out equally?
A simple method of defining the coefficients in the equations of chemical reactions with the help of a system of linear algebraic equations.
Tim sent us his excellent answer to this
Laura (West Flegg Middle School, Great
Yarmouth, Norfolk) came very close to this answer. Her solution was
28 minutes past 6 o'clock.