Nadia knows that she is younger than her father, Glen. The following table shows her dad's age compared to hers.
James knows that he is older than his sister Hermione. The following table shows his sister's age compared to his age.
A catering company uses the following table to work out how many sandwiches are required to feed a certain number of people.
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A mini-bus company uses the following table to work out how many buses are needed for a certain number of passengers.