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Dale Jacques 22nd June 2001 GCSE Mathematics Bad tomatoes Identical 'good' Tomatoes are placed in a tray. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Tomato no. 5 is the bad tomato Each tomato is a sphere. Each tomato just touches all the tomatoes next to it as shown on the diagram. Tomato 5 goes bad first. One hour later, all the tomatoes it touches go bad (Now tomatoes 5, 1, 6 and 9 are bad). Another hour later the bad tomatoes make all the good tomatoes they touch go bad. This continues until all the tomatoes in the box are bad. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 E.g. no. 5 is the bad tomato 1-hour later tomatoes no.1, 6 and 9 are bad. Another hour later tomatoes 2, 7, 10 and 13 are...

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