Monday, May 12, 2014

Elimination Method

A question sent in by Jared

Mrs Goh had a sum of money. If she bought 32 apples and 9 pears, she would have $10.40 left. If she bought 12 apples and 24 pears, she would have $14.40 left. Given that she had $30, how many apples could she buy?

Solution:


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