Stage: 3 Challenge Level: 
One way of representing these beakers of juice without drawing the
beakers each time is to use fractions: $\frac{2}{5}$ of the first
beaker is lemon juice. $\frac{1}{3}$ of the second beaker is lemon
juice.
chemistry. Calculating with ratio & proportion. Generalising. smartphone. biology. Fractions. Area. Long problems. Ratio. Calculating with fractions.
Published January 2010.
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